Product information:

Product Introduction: Brand Copy Universal Remote Control
Can copy over 90% of foreign garage door brand remote controls.
Main technical indicators:
Working voltage: DC3V
Working current: ≤ 12mA
Working frequency: 310MHZ, 315MHZ, 390MHZ
Transmission power: ≥ 10mW
Launch distance: 100 meters (open)
Working temperature: -20 ℃~70 ℃
Storage temperature: -10 ℃~50 ℃
Humidity: below 85%