4 Channel 315Mhz Wireless Remote Control Kit 2262/2272 Keychain

*Battery Included.

Remote control 

  1.Operating voltage: DC12V (27A/12V battery x1)

  2.Operating Current: 10mA @ 12V 

  3.Radiated power: 10mw @ 12V

  4.Modulation mode: ASK (Amplitude Modulation) 

  5.Transmitting frequency: 315MHZ 

  6.Transmission distance :50-100M (Open field, the receiver sensitivity of -100dbm) 

  7.Encoder types: fixed code

With decoding receiver board

1. The operating voltage DC5V, receiver sensitivity is-98db. Leg 7 bits, respectively, VT, D3, D2, D1, D0, the +5 V and GND. VT is a valid signal high output pin. Upon receiving a valid signal, the pin output high, can also drive a relay. 
2. Size: 6.6*22*41mm
3. There are four buttons on the remote control, and respectively correspond to the four data bits to the receiving board output pin D0, D1, D2, and D3 of. Press the buttons transmit signals, the corresponding data bit is output high.