Model 7054 Quantity 1 Color Blue + black Material Plastic + iron + PCB Specification Sensor adopt HX1838 high sensitivity; Working voltage: 5V; Output form: digital output; VCC 3.3~5V(can connect 5V or 3.3V MCU directly) GND: External GND 3 IN MCU I/0; Testing distance: 5~8m; Features Infrared remote control module Application Great for DIY project Other C51 microcontroller development board experiment study; HX1838 remote control module; DIY electronic test suite; Double-sided circuit board solder joint design; Spare I/O port design; Provide schematic diagram remote controller key code test program and instructions; Data downloading site: http://www.kuaipan.cn/file/id_121557448606613563.htm English Manual/Spec Yes Packing List 1 x IR remote control module 1 x HX1938 receiver 1 x Remote controller (1 x CR2025 included) 3 x Dupont cables (21cm)