CY-DX1 technical parameters Dimensions: 28.7 * 16.5 * 9.0mm (L * W * H) Operating voltage: 2.7-5.5v Frequency: 38khz receiving distance: 13-15m Plug: 3.5mm / 2.5mm wire length: 50- 500cm Product Description: Product design aesthetic appearance, lightweight, long lines and plugs can be customized according to customer requirements. Widely believed to stereo, TV, VCR, CD, set-top boxes, satellite receivers and other audio-visual products; household appliances, air conditioners, heaters, fans, lighting and so on. Use of environmentally friendly lead-free materials neiping closed, built-in infrared receiver dedicated IC, strong anti-interference, can work under 500LUX light intensity