Meet the MultiSensor 6: a 6-in-1 sensor system for your smart home. You get motion, humidity, temperature, light, UV, vibration sensors and AES-128 bit data encryption and tamper protection. It integrates with your Z-wave network to make your home smarter. You can install it outdoors. It features the latest Z-Wave 500 series chip and firmware.
To put this device to use, you are going to need a Z-Wave gateway. It comes with a bracket that allows it to be installed on a shelf or in the corner of your room. Sets you back under $50.