Waterproof Perimeter Alarm

Save on SanJie Door Chime - Waterproof Wireless Sensor Kit.

The SanJie door chime alarm provides reliable door open detection with a waterproof sensor and continuous alarm mode. Ideal for home, business, and child safety. This affordable wireless kit (1 sensor + 1 receiver) offers easy installation, adjustable volume, and long battery life. A practical security solution at a budget-friendly price.

Amazon Deal: Tactiko Wire Trip Alarm 2.0 129dB at $30.

The Tactiko Wire Trip Perimeter Alarm 2.0 delivers 129 dB of sound via an 80-foot Kevlar tripwire. Rechargeable through solar and USB, it is weatherproof and ideal for camping or home security. Priced at $30, this pack offers an affordable, high-performance deterrent for bears and intruders.