OSI Wireless Contact Sensors (Gen 2) White, Accessory for OSI Smart Alarm System (Gen 2), Wi-Fi Wireless Door & Window Sensor, with 3M Adhesive, use on Windows, Doors, Patio Door etc.

About this item

• ✅【EASY INSTALLATION】: Easy to install, just stick on door or window with double sided adhesive. No wiring
• ✅【MAXIMUM SECURITY】: Fortify your existing Wireless Home Alarm System with this additional contact sensor to get maximum coverage securing front door, garage door, patio door, basement, windows, and back door
• ✅【WORKS WITH OSI SMART WIFI ALARM SYSTEM GEN 2】: pair these contact sensors with the OSI Smart Alarm System (Gen 2) to form an effective standalone home house apartment security system.
• ✅【RESILIENT SENEORS】: These new Gen 2 Contact sensors outperforms out Gen 1 model with newly designed antenna and dual batteries for superior signal transmission and penetration.
• ✅【DUAL USE ENTRY SENSOR】: Contact sensor seamlessly serves as both an alarm trigger and an entry chime simotaniously.
• ✅【SCALABILITY】: Scale up easily with room for up to 160 accessories in total when using with the OSI Smart Alarm System (Gen 2)
• ✅【INCLUDES 2 CR2450 LITHIUM COIN BATTERIES】: Contact sensor uses 2 CR2450 coin batteries, making these last up to 5 years without changing the batteries (Normal use). It also only takes seconds to replace.
• ✅【CAN BE MOUNTED WITH SCREWS】: These contact sensors can be mounted with screws or wtih 3M Tape giving you alternative mounting options to suit your needs! (screws not included)
• ✅【ANTI TAMPER SWITCH SLOT】: An anti-tamper switch slot ensures that if anyone tries taking out the batteries that when they pop off the cover, it will trigger the alarm system.