Keypad : This is a dual channel transmitters that are activated only after having entered a Suitable combination. The units are designed for installation in indoor or outdoor locations that ensures the utmost security because the transmitted code is changed at each transmission session. The estimated transmission range is 200 m in open space and 35m indoors . The units are designed to ensure battery life equivalent to an estimated 2 years of oper-ation considering 10 transmissions/day. Specification: Power:6Volt DC 2PCS CR2032 Li battery Battery life:2 years(4 times operation every day) Frequency:433.92MHz+/-75KHz Transmitter power:1Mw Data format:standard Work temp:-20~+55 centidegree Password number:0-8 Water proof level:1p54 Dimension:85*75*35mm Weight:150g 433 MHz receiver SECIFICATIONS: 1. Power supply: 12v-24v DC 2. Frequency: 433.92Mhz 3. Codes: can work with any fixed/learning/rolling codes 4. 2 channel 5. Working temperature :-40- + 80 6.Built in Aerial antenna : Reception range 10-50m ANT - Receiver Antenna CH1 - Relay Output 1 CH2 - Relay Output 2 V+ - Voltage + GND - Ground 433 MHz remote control Specifications: Material: Plastic + Metal Operating frequency: 433.92MHz Usage: For 433Mhz RF receiver 1527 decode This remote control only support the learning code (1527) of the receiver Note: This is not a clone remote. Cannot clone other remotes Include 1 x Keypad 1 x Receiver 1 x Remote Control 1 x English Manual