微型传感器PIR

This travel personal alarm features a PIR sensor to detect motion andis an effective low cost motion alarm that can be used to effectively to deter an assailant. It can be activated by just pulling thePIR sensor cord located at the top of the unit or can detect motion up to 9 feet away. Emits a loud 15 second, 100dB blast making an impending criminal cower and run. How to use it? Just slide the cover down exposing the infrared sensor and the off/auto switch Turn the switch to auto, and the sensor will start detecting motion in 60 seconds Contains an LED flashlight Its convenient size makes it perfect for concealing and traveling Requires (3) AG13 batteries (included) Features of IN006B: 1) Pull the metal pin out to activate PIR sensor; 2) Emits a loud 15 second, 100dB blast; 3) The Mini Personal Travel Alarm contains a high intensity LED flashlight; 4) Can be attached to the wrist and your bag/luggage, or used in the home on the door handle and a fixed fitting; 5) Suitable for joggers, women, child, elderly, disabled, night shift workers, alone people. 6) With passive Infrared (PIR) motion sensor; 7) Convenient size is perfect for concealing and traveling; 8) Infrared sensor cover slides down exposing an off/auto switch;