Detection Range:150m Model Number:# Detection Angle:110 degrees Main Features: ● Dual infrared ● Ultra-low power microprocessors ● Double temperature compensation technology ● Robust and durable, suitable for homes, offices, sheds, garages, etc. ● Easy installation and set-up, wall-mounted Specification: ● Transmit distance: 150m ( open ) ● Voltage: 3V ● Wireless frequency: 433MHz ● Detection distance: 12m at 25 Deg.C ● Detection angle: 110 degrees ● Maximum coverage area: 12sqm ● Alarm indicator light: on for 3 seconds ● Working environment: indoor ● Tamper switch: normally closed ● Anti-white light intensity: 10000Lux ● Battery type: 2 x AA battery ( not included )