Description: 38K NEC code infrared transmitter and receiver module TTL serial communication inferface can be controlled by the MCU directly On-board IR transmitter extensible interface enable user easy to modification Working Voltage: DC 5V, Transmitting Distance: 6-10m, Module Size: 27 X 17mm/1.06 X 0.67inch (L x W) 100% brand new with high quality Specification: Working Voltage: DC 5V Communicatin Interface: TTL Transmitting Distance: 6-10m Module Size: ( L x W )?approx. 27 x 17mm / 1 x 0.7 Inch Package Includes: 1 Piece NEC Code IR Infrared Transceiver Decoder Module TTL Communication