HTZSAFE Wireless Security Alarm System: The HTZSAFE wireless driveway alarm system alerts you at anytime the weather resistant outdoor/indoor motion sensor detects motion from people, vehicles or large animals. Monitor/Protect your outdoor/indoor property all the days and nights.

--The motion sensor is powered by 3pcs AA 1.5V Alkaline batteries (the package does not included the batteries).

--The motion sensor is weather resistant, will work properly at all the seasons. Working temperature range from -30 to 50 degree Celsius.

--Up to 800 meters long wireless transmission range(ideal conditions), it is a great solution even to monitor the long driveway/large property/and etc.

--Up to 15 meters wide sensor range and 2 adjustable sensitivities(High=15m; Low=10m), ideal for driveways, walking paths, yards, garages, gate, pool and anywhere of your outdoor/indoor property you want to be alerted.

--Advanced wireless transmission technology(FSK+FSHH) to avoid the wireless signal interference from other wireless devices.

--Plug-in receiver has 4 adjustable volume levels and 35 optional melodies, match different melody with different sensor around your property to differentiate where motion is being detected.

--Fully expandable system, up to 32 HTZSAFE sensors can be added to the 1 receiver; and 1 sensor can be added to unlimited receivers. (Restart the receivers or sensors will not miss the records)

--HTZSAFE focus on developing the Solar & Wireless Alarms more than 20 years, HTZSAFE has several kinds of transmitters and receivers which have different features for different applications and environments, and all the HTZSAFE products are compatible.