Review on π Dahszhi Dual Laser Detector Alarm Beam Sensor: Indoor 300m & Outdoor 60m Infrared Detection for Optimum Security by Paul Wilson
Works as described
The product installs quickly after studying the instructions carefully. The person who wrote the instructions lacked basic English skills, but after some introspection I was able to decipher the intent of the installation guide.
- Applications: Excellent for installation in a security system in a school, office building, hospital, home yard, etc.
- Questionable purchase for the elderly
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