Get real-time notifications the moment a door or window opens at home. Compact design and a slim removable magnet for easy installation, even when space is limited. Anti-Tamper Dependent on Local WiFi Wireless Range Requires Alarm Base Station Compatible...

Professional quality laser instrument for fast and accurate measurement of rotational speed with or without contact. Will also measure total revolutions, frequency, surface speed and distance. Ten selectable data set memories each with maximum, minimum...

Allows discreet monitoring of door/window openings and closures. Easily pairs with Yale Sync Smart Home Alarm and mountable on any door or window frame. Features a 200m wire-free range and a battery life of up to 2 years. Sends low battery notifications...