Pet safe simply clean electronic litter box
Pet safe simply clean electronic litter box, contains a litter filled bowl shaped tray which is mounted on a platform and is connected to a motorized pole. This tray rotates continuously at slow speed. This rotating movement is too slow for a cat to note it. This rotating movement takes waste of a cat to a conveyor belt, which separates the solid waste from the litter and takes the separated waste to the waste tray.

Advantages of pet safe simply clean electronic litter box
1.  Pet safe simply clean litter box is the only automatic litter box that works automatically and continuously, without sensors or timers, to clean the clumps of a cat, without disturbing the cat.   
2. Wastes less litter, which eliminates the use of special waste tray. Pet safe simply automatic litter box can use any normal grocery bag. And has no moving rake which scratches cats.
3. Though it is good for cats under 12lbs, can handle large cats and more than one cat.
4.  The cost under $100 is very low compare to other automatic litter boxes.
5. Since pet safe simply works without generating noise, it is convenient for night time use.
6. No special tools are required for assembly and use.

Negative sides of pet safe simply clean electronic litter box

1. The biggest issue which comes with pet safe is that it only requires premium litter. It will never work with non-premium litter, which increases the cost of the unite in long run.
2. One hour is needed to clear the waste of a cat.
3.The conveyer belt is covered and fills half of the litter tray, so it does not have enough space, which will be an issue for bigger cats.
4. The walls of the litter tray are not high enough to prevent the scattering of litter outside the litter tray.
5. Motor can stop working if left plugged continuously for days.

Conclusion
Considering that pet safe cleaning automatic litter box cleans automatically and continuously, does not require any costly disposable bags or trays. And comes at low cost, it can safely be projected as the best in low cost category.

LITTER MAID MULTI-CAT AUTOMATIC SELF CLEANING LITTER BOX

Function
Litter maid multi-cat automatic cleaning box has dual sensors that start the cleaning process only when a cat has left the litter box. Then after 10 minutes, the rake moves forward to lift the litter clump, then shifts the clean litter and takes the clump to the waste tray, which opens to receive the waste. When the rake starts moving back to the original position, the waste compartment closes to keep the waste sealed. Waste compartment has a carbon filter to keep odor in check. For the safety of the cat, the cleaning process stops and re-starts only when the cat is out of the box.

Positives sides of litter maid multi-cat automatic box.
1. Suitable for two cats and also for large cat, bit larger than the medium size.
2. The carbon filter keeps odor in check.
3. Motor is powerful but generates less noise as compare to previous versions.
4. Rake assembly is easy to clean. You only need to remove the disposable bag and put new clean one in the waste compartment.

Negatives sides of the litter maid multi-cat litter box.
1. The rake is not effective is cleaning the clumps that get stuck on the bottom of the unite.
2. Some litter leakage occurs when the rake take waste to the waste compartment. Litter can also get accumulated on the edges.
3. Litter level is low, so need to constantly pour more litter always comes.
4. Litter needs changing after 3-4 days if you have two cats. With one cat the litter can last a week.  

Conclusion
Litter maid multi-cat litter box requires maintenance. But, anyone with more than one cat would find litter maid multi-cat automatic litter box convenient and effective.

LITTER MAID LM980 SELF CLEANING LITTER BOX
Litter maid lm 980 self cleaning litter box is designed for multi –cats of under 15 pounds category.
Litter maid lm 980 automatically scoops the clumps after ten minutes of a cat’s use.  The rake takes clumps to a disposable sealed tray, which has carbon filter to keep odor in check.  This cleaning cycle starts when a cat enters the box. The dual sensors activate the cleaning process, when they detect the cat inside the box. For the safety of a cat, the cleaning process will stop, and restart for another 10 minutes in case a cat re-enters the box.

Positive sides of litter maid lm 980
1. Litter maid lm 980 has a ramp which is used by a cat for entering and coming out of the box, this reduces the chances of waste coming out with the cat.
2. Rake, which scoops the litter, can be disconnected easily for cleaning.
3. Collects waste of a cat more quickly than manual scooping.
4. Litter maid l m 980 can be activated in such a way that it will not generate any sound at night. Litter maid lm 980 can be manually activated for immediate cleaning.

Negatives side of litter maid lm 980
1. Manual scooping is required because the waste of a cat sometimes gets stuck on bottom and sides of the litter box.
2. Soft waste of a cat gets   stuck in the rake.
3. Not effective in handling urine of a cat.
4. Depth of the litter box is not enough for recommended amount of litter.
5. Louder motor noise.

Conclusion
Litter maid lm 980 is not for those who want to avoid any contact with the waste of a cat. Litter maid lm 980 can create issue for cats because of its loud motor and inability to deal with excess urine.

SMART SCOOP AUTOMATIC LITTER BOX
This is the first brand that has come with rake scooping instead of rake pushing concept. Smart scoop automatic litter box has a simple construction. The rake moves forward in the litter box with the help of a motor and drops the waste of a cat into a waste bin. The waste tray has carbon filter, which helps in keeping the odor in check. The movement of the rake takes places 15 minutes after the cat has moved out of the litter box. The waste bin is attached with a waste bag, which needs to be removed when it is full.

Positives sides of smart scoop automatic litter box
1. the rake has rounded wire and curved section at the end of the  scoop , this ensures that all the clumps gets into the waste bin and is not sliced or cut into smaller parts , as is the case with other automatic litter boxes.
2. Litter box has minimum and maximum line to show the level of litter which needs put in the box.
3.  Unite comes with a circular mat and a ramp so that any clump from the paw of a cat and also be collected.     
4. You only need to change the waste tray only once a month for a one cat home. Waste bin comes with a small plastic handle which means that you do not have to touch the waste bin.
5. Any clumping litter can be used.
6. Maintenance is very easy, the parts like the rake and litter box can be detached without use of screw unlike litter maid automatic litter box

Negatives sides of smart scoop automatic litter box
1. Rake is not effective in bottom and side scooping. Also smart scoop automatic cannot work with heavy litter, which affects its motor.
2. Since smart scoop has open litter box, it gives strong odor when a cat is relieving itself.
3. Waste bin is bit smaller and requires more cleaning in case of more than one cat.

 

Conclusion
Smart scoop automatic litter box is for those who do not want expensive litter robot bubble version or other low cost automatic litter boxes which are bit complicate to maintain.

OMEGA PAW SELF CLEANING LITTER BOX
Omega paw self cleaning litter box has a grill inside the litter box which separates the clump litter and puts the clump of a cat into a tray , which can be pulled easily like a file drawer . Omega paw self cleaning litter box only needs to be rolled over to its right side to the point where the clump litter goes inside the waste tray. Then it is rolled over to the left so that the clean litter comes back in the litter box.  

Positives of omega paw self cleaning litter box.
1. Works without any electricity or motor or batteries.
2. Cleaning depends on your own efforts, rolling up side down, and speed and how fast you want to clean the waste of a cat.
3. Little litter is used.
4. Prevents contact with the waste of a cat.

Negatives of omega paw self cleaning
1. During rolling some part of the clump can go back to the clean litter area if rolling is fast. And if rolling is too fast then lot of litter is wasted.
2. Omega paw is not totally odor free. It needs to be cleaned often.
3. Omega paw is creates some issues with liquid stool and also gives urine odor.
4. Take a lot of floor space.

Conclusion
Omega paw self cleaning is best in the under $50 category for both small and large cats as well as for multi-cats.

NATURE’S MIRACLE SINGLE CAT AUTOMATIC LITTER BOX
Nature’s miracle single cat automatic litter box has dual  sensors which start the scooping process , when they detects the presence of a cat , and  20 minutes after the movement of the cat out of the box  the scooping takes place. The scooping is done by a rake, which pushes the clump into a waste plastic receptacle, which has a carbon filter to keep odor out.
Nature’s miracle can also be put on a timer to put it off for up to 9 hours to avoid disturbance at night. If need arises it can also be manual activated for scooping. The scooping cycle will not start if a cat is inside the litter box. In case of re-entry of a cat the scooping cycle will reset and wait for another 20 minutes after a cat has come out of the litter box.

Positives of nature’s miracle single cat automatic litter box
1. Contains special anti-microbial protection to check the growth of bacteria. It has non –sticky plastic protection which keeps box clean.
2. The ramp prevents cats from taking clump out of the litter box.
3. Nature’s miracle has indicators which show when waste tray needs to be changed.
4. Rake can be detached for cleaning

Negatives of nature’ miracle
1. Litter comes on the floor when the rake put waste into waste tray. The   walls are not high enough to prevent litter coming out of the box.
2. The rake, which is plastic rake, is not effective in cleaning the bottom of the box.  
3. The plastic tray which gets clump from the rake is not strong, which makes it hard to dispose the waste.
4. A cat can switch off or switch on the system while in and out of the box.
5. The unite generates lot of noise and gets stuck.  

Conclusion
Customers are not satisfied with the plastic waste receptacle, which litters everywhere when they try to take it out for disposing the waste. The litter which is especially for this nature’s miracle cannot control the odor. The system also gets stuck with any kind of litter. Nature’s miracle has achieved little success in customers’ satisfaction index.