Features: 150m Transmission Distance: In the absence of obstacles the transmission range of the signal is up to 50 meters. Wide transmission range is more convenient for you to use. 2Strong Signal Penetration: Signals can pass through wall floors and doors to steadily control the receiver from anywhere at a reliable distance. 3Safe and Reliable: This remote control switch is highly secure with its low repetition rate and extremely easy to set up and learn. This remote control can bring more convenience to your life. 46V Voltage: Working voltage of the remote control is 6V. It can drive most of the home type small appliances and electrical appliances. 5Wide Application: Suitable for home shopping mall burglar alarm electric car car motorcycle alarm all kinds of door control system and other intelligent controller. Specification: Item Type: Remote Control SwitchWeight: Approx. 20g/0.71ozMaterial: ABSVoltage: 6VCurrent: 15ma or lessFrequency: 315MHZChip: 1527MLaunch Range: 50M (open environment)Modulation Mode: ASK amplitude modulationBatteries: 2xR2016 button batteries 150mAh (included) Package List: 1 x Remote Control Switch1 x Key Chain