BRK 120V AC Smoke Alarm with battery back-up - 9120BA/9120B Smoke and Carbon Detector 3/16" X 4" FLAT HEAD

3/16" X 4" FLAT HEAD SOCKET CONCRETE SCREW WITH BIT-BLUE

Diameter #7 Length 2 1/4" Drive Type Phillips Thread Type UNF Material Carbon Steel Imperial or Metric Imperial Packaging Option Packaged Pieces Per Package 300

Shoulder straps with extra padding and handles for easy carrying

Green light indicates no voltage

Cable Specification:18AWG

BRK 120V AC Smoke Alarm with battery back-up - 9120BA/9120B Smoke and Carbon Detector 3/16" X 4" FLAT HEADSPECIFICATIONS Brand BRK Part Number 9120BA Dimensions 5. 58 dia. x 1. 97 H Function Smoke Weight 7. 8 oz. 221g Operating Voltage 120V AC 60Hz w 9V battery backup (9120BA) Power 0. 04 amps (standby alarm) Temperature Range 40 F (4C) to 100F (38C) Humidity Range 10% to 95% relative humidity (RH) Audio Alarm 85dB at 10 feet Interconnections Up to 18 units of which 12 can be smoke alarms Wiring Quick connect plug with pigtails Sensor Dual chamber