The Safety Turtle wireless gate alarm enhances the security of a safety fence. A gate alarm reinforces the weakest link of a pool or property fence, the gate latch, which is subject to mechanical deterioration and occupant and visitor interaction. Use on all wood or metal frame doors, pool fences and property fences. One Safety Turtle Base Station receiver within 200ft. (60m) works with any number of Turtle wristband, gate and door sensor-transmitters of the same colour.