Cartell Sensor Cover | CAR-CW-BOX Liftmaster Single LA412PKGUL It can work independently as

It can work independently as a stand-alone keypad or together with our controller to form a high-security split-decoded keypad system

This is a replacement Mega Arm Trap Chip

Thrust Force: 1045 lbf

it can be attached to your key ring or car visor with included clip

Cartell Sensor Cover | CAR-CW-BOX Liftmaster Single LA412PKGUL It can work independently asExit DeviceCartell Sensor Cover CAR CW BOX Use this sturdy box to cover the sensor puck when buried beside the driveway. Especially useful if you have animals stepping on your sensor, creating false alarms (by physically moving the sensor). Its rigid construction protects the puck while giving free access to it. Comes with three auger screws to hold it in place. The bury so removable lid is just below the ground surface. Will not impede radio signal