Danalock V2 Smart lock via Bluetooth

The Danalock makes it easy to lock and unlock your door in many ways, and with the current lock status, you always know if your door is locked or unlocked. 
USD 179.01

Aeotec Recessed Door Sensor

Aeotec Recessed Door Sensor is a battery powered, Z-Wave magnetic door sensor with an extremely small form factor.
USD 59.20

Aeotec Siren

The Z-Wave Aeon Labs Siren is an easy to use & install indoor alarm that can sync up to your existing Z-Wave device with no problems
USD 67.45