Sensitive response and loud sound,The loud buzzer alarm cannot be ignored and respond immediately Large range and wide angle detection,The effective detection distance is 12 meters, and the three-dimensional sector space easily covers the family and indoor space to your . Adapt to scenarios,Applicable to Installed in shopping malls, supermarkets, hotels, entertainment venues, stations, public civil buildings and other places, type does not require external power supply Receive alarm remotely,When a door or window is illegally opened, the detector send out an alarm signal and the user can receive the alarm information remotely through the mobile phone. Name: Wireless Infrared Working Voltage: 9-16V Alarm Output: Normally Closed/28Vdc/0.15A Normal Closed/28Vdc/0.15A Main Application: Office, Home, Factory Detection Distance: 9(m) Colour:As Shown Material:ABS Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * Infrared alarm Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.