ALEKO A101 Universal Exit Underground Automatic Sensor Exit Wand, Loop Detector Automatically opens the gate when a car passes. Universal works with most gate operators. Solar friendly design will not drain gate opener battery. 50ft feet of cable is included. Exit Wand comes with exit sensor adapter. Compatible with The ALEKO gate opener models: AC1400, AR1400, AC2000 and AR2000 and other openers.