Features:100% brand new and high quality.Easy to use, the 4 channel remote your garage door.It is wireless and portable.Description:The product Package Included: battery and key ring.The price is competitive. Specifications:Material:metalSize: 59*30*14mmColor: Black silverBattery: 27A 12V(Include)Operating Current:22.5��0.2mAOperating Voltage:8-12VTransmit Power: -12.5dbm The key operation force:250��50gfOperating Temperature:-5~+45��CRelative humidity:<=95%Standby Current:0.01uATransmitting frequency:868MHZ Modulation:ASKThe shortest pulse: 400��20uSPackage Include:1 x remote control1 x Key ringNotes:Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.