Smart Alarm Kit WI-FI +Zigbee Enabled Activations and Monitoring Supported via APP. Supports up to 60 Zigbee Devices Built-in siren (95dB) + External siren (105dB) with built-in backup Battery, with up to 5 hours standby time. 80 Meter Open Field Zigbee Transmission (3.0) 2.4GHz Wi-Fi Connection. Kit Contains all batteries/adapters included2* PIR / 1* Door sensor /2* Remote control 1* Keypa...