Specifications: 1. Number of channels: 4 2. Code: rolling code 3. Frequency: 433MHz, 433.92MHz 4. Battery: CR2032 5. Size: 60*30*12mm 6. Color: Black + silver Compatibility list ROPER GO 433 ROPER GO MINI 433 ROPER NEO 433 NoticeCannot clone ROPER 868MHz Feature: 1.All of our items are brand new 2.One to one key copy 3.Each key password alone save 4.Can continuous repetitive copy use one million times 5.Privacy is strong 6. A replacement for rolling code remotes. 7. One remote control can control up to 4 different brands of remote controls. 8. Multi-functional and multi-variable, personalized and user-friendly simple design and fast to use. wide range of uses: Garage doors, Electronic gates, Barrier gates, sliding doors, automatic doors, rolling doors, shutters Electrical appliances/Home automation i.e. lights, Alarm system, access control system Easy to use: Duplicate Your Existing Remote Controllers so you always have a backup: If your remote control is a fixed code, after cloning, the new remote control will work. If your remote control is rolling code, after cloning, the new remote control needs to be programmed / activated on the receiver, the new remote control works. Low power, energy saving: Low power consumption remote control. Can continuous repetitive copy use one million times, One 3V CR2032 battery lasts for 2 years (Replaceable battery). Brand new, ABS material, When used, it is more comfortable. Include Remote Control Battery Keychain English Manual