Features 1、LONG RANGE TRANSMISSION: The signal of the wireless remote control switch can pass through walls, floors and doors to stably control the receiver anywhere within a reliable distance. 2、HIGH SECURITY: The learning code has a high level of security, because of the low repetition rate and re learning mode, when the remote control is lost, it can delete the old code and re learn the new code, you can control it at any time. 3、433MHZ: 433MHz wireless radio frequency switch working voltage is 6V, and can load high power electrical appliances to ensure long term stable control and strong practicability. 4、EASY TO USE: RF switches are very easy to set up, learn, relearn and control. Reliable performance and high receiving sensitivity, and it is more flexible to use. 5、WIDE APPLICATIONS: Wireless radio frequency switches are for home and shopping mall burglar alarms, for electric car, car and motorcycle alarms, various door control systems and other intelligent controllers. Specifications Item Type: Wireless Remote Control Switch Material: ABS Voltage: 6V Current: ≤15MA Frequency: 433MHz Chip: 1527M Transmitting Distance: 50m/54.7yd ( Open Environment ) Modulation Mode: ASK Amplitude Modulation Battery: 2 x CR2016 Coin Cell 150mAh ( Included ) Gross Weight: 20g/0.71oz Package List 1 x Remote Control 1 x Key Chain