... keys 3,Plastic keypad 4,Net weight: 33g ir remote control It is designed with small size, beautiful exterior , Sound ... for stabilizing frequency, It is applied for wireless alarms, wireless controlling devices,etc.Using High stability, SMT components, SAW (sound wave ... Operating voltage: DC5/V12V2,Operating current: ≤ 30mA; 3,Transmitting power: > 15mw 4,Operating frequency: 315,430,433 MHZ (available ...