Power Supply: 3 x AAA battery (Not Included)
Installation: Wireless Design. No drill installation needed. Keep door panel clean and dry before attach.
Turn ON/OFF: Hall sensor with magnet auto-control or it can be manually controlled
Main Size:6.7cmx6.2cm,Material:ABS,Working voltage:12v
Item Color: Bedge, Brown, Black(You can tell us which color you want,Or we will ship BLACK one)