Smart Alarm gateway and internal siren (95dB) with up to 80-meter open field Zigbee transmission (3.0) Requires WiFi connection. Mains powered 5V 1A (includes adaptor).Supports up 60 devices including other Link2Home Zigbee devices. Features: INTERNAL ALARM AND GATEWAY: Add additional devices to your system with an additional gateway or build your own kit. Add up 60 sub devices EASY TO SET UP & INSTALL: Link to your Link2home Smart Home Alarm straight out of the box, allowing you to customise your system with 60 accessories; Easy to install on walls & in corners with no tools required EXTENSIVE 100 M WIRELESS ZIGBEE RANGE: Protect your garage and outbuildings with our 100 m wire-free range. Zigbee Technology means the more devices you add the stronger the signal becomes thanks to its Mesh network SECURE ENCRYPTION: The latest technology to make sure your home stays secure and protected BETTER BATTERY LIFE: Zigbee technology means the device uses less power compared to other devices pro longing battery life up to 24 months SMART ALERTS WITH THE YALE HOME APP: With the Yale Home App you have no monthly fees or subscriptions, you can arm, disarm, part-arm and check status of your alarm via the App; It’s the same for your connected accessories, you will know when someone is in your home with the motion detector or when the alarm is triggered with real-time notifications Smarter Together: Bringing you a new level of security, with the ability to integrate with link2home lights and cameras and voice assistants to enhance your security system. Compatible with Alexa, Google Home and Siri Specifications: Dimensions: H:4.9 x W:14.8 x D:16.0 cm Colour: White Guarantee:2 years Material: Abs Plastic Model Number: L2H-SECUREGWAY