HTZSAFE Wireless Alarms: The HTZSAFE wireless driveway alarm system alerts you at anytime the weather resistant outdoor/indoor sensor detects motion from people, vehicles or large animals.

-- The sensor is powered by 3pcs AA 1.5V Alkaline batteries( the package does not include the batteries). Monitor/protect your outdoor/indoor property all the day and night.

-- The sensor is weather resistant, will work properly at all the seasons. Working temperature range from -30 to 150 degree Fahrenheit.

-- Up to 1/2 mile long wireless transmission range(ideal conditions),it is a great solution even to monitor the long driveway/large property/and etc; --Up to 50FT wide sensor detection range and 2 adjustable sensitivities(High=50ft;Low=35ft),ideal for driveways, walking paths,yard,garage,gate,pool and anywhere of your outdoor/indoor property you want to be alerted.

-- Improved wireless transmission technology(FSK+FHSS) to avoid the 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 receiver and 1 sensor can be added to unlimited receivers. -- Restart the receivers or sensors will not miss the records.

-- HTZSAFE focus on developing Wireless Alarms more than 20 years, HTZSAFE has several kinds of transmitters and receivers which have different functions for different application and environment,and all the HTZSAFE products can work together.