Product Name : Infrared Remote Control Receiver Module; Model Number : VS838; Working Voltage :2.7V to 5.5V Reception Distance : 15M; Reception Angle : +/- 45 Degree; Low Level Voltage : 0.4V;High Level Voltage : 4.5V; Body Size : 7 x 6 x 5.4mm / 0.27 inchx 0.23 inch x 0.21 inch(L x W x T); Pin Length :22mm / 0.87 inch Pitch : 2mm / 0.08 inch Material : Plastic, Alloy; Color : Black, Silver Tone Weight : 25g A miniaturized receiver for infrared remote control and IR data transmission. This VS838 IR Receiver Modules is widely application to AV instruments such as Audio, TV, VCR, CD, DVD, MD etc. Home appliances such as Air conditioner, Fan etc. The other equipments with wireless remote control. Package Content : 50 x Infrared Remote Control Receiver Modules 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.