Support APP:NoFrequency:433 MHz Channel:4 Package:No Model Number:AK-KB-812 Remote Control Wireless Communication:RF Use:Universal Origin:Mainland China Certification:CE Specification: The remote control adopts SA901B main control chip, supports online programming, can be programmed repeatedly, built-in EEPROM, can copy other ordinary remote controllers with the same frequency, can clear codes and learn codes at any time, easy and fast to use, can be used in car remote control, light control, Smart home remote control and other fields. Product features (1) Working frequency: 433 MHz; (2) Power supply scheme: DC3V (button battery 2032) power supply; (3) Standby current: less than 0.15uA; (4) Good selectivity and stray radiation suppression ability; (5) Good local vibration suppression ability; (6) Temperature range: -20-70, it can work normally even in harsh environmental temperature; (7) Product size: 60*37.4*11.4 (mm) (including shell); (8) Product weight: 14.39g (including shell). Normal working voltage DC2.4V3V Emission current Launch distance> 25 meters