Alinan Infrared IR Remote Control Sensor Module Kits, 17-Key+21-Key Controller and Receiver with Cable for Arduino

Specification of 17-Key Controller and Receiver: Static Current: 3-5uA; Dynamic Current: 3-5mA Power Supply: CR2025/1600mAH Effective Angle: 60° Infrared Wavelength of the Transmitter Tube: 940Nm Crystal Frequency: 455KHZ Crystal Carrier Frequency: 38KHZ Infrared Remote Control Distance: 8M (Depend On Surrounding Environment, the Sensitivity of the Receiver Side and Other Factors) Coding: Coding Format for NEC Size: 86*40*6mm Note: The IR Remote Control is Used in Conjunction with the IR Receiver Module, Which is Responsible for Receiving the Information Emitted by the IR Remote Control and Decoding It Into Hexadecimal Codes So that the Established Communication Can Be Achieved Specification of 21-Key Controller and Receiver: Distance: Full voltage more than 8m; Low voltage more than 4m Dimension: 86*40*6mm Frequency: 38k Power Supply: CR2025/160mAH Free Available Height Range: less than 3mm Power Bear Range: 200-350g Life: more than 200000 times