INNOVATIVE BREAKTHROUGH:SPENFiLY wireless infrared signal transponder, remote control back through the wall, the product has models to control 1, 2, 4 infrared devices to choose from. CONTROL OF EQUIPMENT IN DIFFERENT AREAS: can be purchased according to demand, with additional receiving or transmitting host at , to achieve multiple off-site synchronous control of multiple appliances POWER TRANSMISSION: 36-56 kHz-Covers virtually all standard devices. Compliant and licensed with CE, FCC. Indoor 50m; outdoor 200m Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Voltage: AC220V Color: Black Material: plastic Package Contents: 1 set x air conditioner infrared remote control transponder receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.