Inovonics EN1215WEOL Door/Window Transmitter with Wall Tamper & Reed.. This Inovonics EN1215WEOL Door/Window Transmitter is a great addition to your home security system. It is compatible with ADT and Android devices, and has an operating range of 5 meters. The beige color and sleek design make it a perfect fit for any home decor. With a voltage of 18V and manufactured in 2020, this door/window transmitter is not only reliable but also up-to-date with the latest technology. The smart home protocol of Bluetooth and compatibility with Amazon Alexa make it even more convenient to use. Keep your home safe and secure with the Inovonics EN1215WEOL Door/Window Transmitter with Wall Tamper & Reed. BOX EXTERIOR HAS DAMAGE/WEAR & TEAR AS SEEN IN PHOTOS.