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. Temperature range: -20-70℃, it can work normally even in harsh environmental temperature. Good selectivity and stray radiation suppression ability; Good local vibration suppression ability. Working frequency: 433 MHz. Power supply scheme: DC3V (button battery 2032) power supply; Standby current: less than 0.15uA Product size: 60x37.4x11.4 (mm) (including shell); Product weight: 14.39g (including shell).