The Link2Home Smart Alarm Kit contains everything you need to protect your home. It has WI-FI +Zigbee enabled activations and monitoring, supported via the Link2Home APP. It also features a built-in siren (95dB) and an external siren (105dB) with built-in backup. The system is battery powered, with up to 5 hours standby time.

Contains:

2 x PIR Sensors
1 x Door Sensor
2 x Remote Controls
1 x Keypad
2 x RFID Key Fobs
1 x Outdoor Siren
1 x Gateway with Built-in Siren 

All batteries/adaptors included.

Specification:

PIR Range: 8m
Transmission Range: 80m
Battery Life: up to 24 months
Fixing: Surface Mount