Features: 1.High Quality Material: Wireless transmitter and receiver module is made of high quality PCB material, wear resistant, anti aging and durable. 2.Excellent Performance: Great influence on the antenna module reception, high sensitivity, increasing the communication distance. 3.Function: Wireless transmitter module allow to wirelessly comunicate with radio frequency controlled devices that operate in the same frequency. 4.Easy Installation: Easy to install, no modification is required, convenient for using, save your time and energy. 5.Wide Application: Transmitter receiver kit can be widely used in remote control switch, receiving module, burglar alarm. Specification: Item Type: Transmitter Receiver Kit_x000D_ Material: PCB_x000D_ Application: Remote control switch, receiving module, motorcycle, car anti-theft products, family anti-theft products_x000D_ _x000D_ Technical Parameters of Receiver Module_x000D_ _x000D_ Operating Voltage: DC5V_x000D_ Static Current: 4MA_x000D_ Reception Sensitivity: -105dB_x000D_ Size: Approx. 30x14 x7 mm/1.18x0.55x0.28in_x000D_ External Antenna: 32CM single core wire, wound into a spiral_x000D_ _x000D_ Technical Parameters of Transmitter Module_x000D_ _x000D_ Transmitting Distance: 20-200 meters (different voltage, different effect)_x000D_ Operating Voltage: 3.5-12V_x000D_ Size: Approx. 19x19mm/0.75x0.75in_x000D_ Working Style: AM_x000D_ Transmission Rate: 4KB/S_x000D_ Transmitted Power: 10mW_x000D_ External Antenna: 25cm common multicore or single core wire_x000D_ _x000D_ Pin Arrangement From Left To Right: (DATA; VCC; GND) PackageList: 1 x_x000D_ _x000D_ TransmitterModule 1 xReceiverModule