Wireless Motion Sensor LED Light - Motion Detector Alarm Chimes Door Sensor with 500 FT Range Security Alert Monitor System for Home, Business, Store, Office, School A 1 Receiver+1 Sensors electronics3 Zinc oxide based

Zinc oxide based

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100% UV 400 protection lens blocks 100% harmful UVA

grinders etc

1/2 inch x 14 NPT (F) x 1/2 inch Barb

Wireless Motion Sensor LED Light - Motion Detector Alarm Chimes Door Sensor with 500 FT Range Security Alert Monitor System for Home, Business, Store, Office, School A 1 Receiver+1 Sensors electronics3 Zinc oxide basedWireless Motion Sensor LED Light Motion Detector Alarm Chimes Door Sensor with 500 FT Range Security Alert Monitor System for Home, Business, Store, Office, School Product Features 58 RINGTONES & 5 VOLUME LEVELS Security Alarms Detection Chime has 58 ringtones and 5 adjustable volume levels for personal preferences. When the alert system receiver receives the signal from the motion sensor detector, the LED indicator light will flash. EXPANDABLE