***** **********Best Quality Guranteed. *****SOLAR POWRED NO NEED REPLACE BATTERIES- The sensor is powered by built-in rechargeable lithium ion battery which will be charged by the solar panel even in rainy days, so no need replace the battery. (PS. the sensor also can be powered by the DC5V-12V power adapter if you do not want to use the included solar panel)*****WIDE RANGE OF APPLICATION- the wireless range from the sensor to the alarm receiver is up to 1/2 mile (actual range will vary depending on the local terrain); the sensor detection range is up to 50 feet(it has 3 sensitivities adjustable, Hi=50ft, Mid=30ft; Low=25ft); Ideal for driveways, walking paths, and anywhere of your property you want to be alerted*****EXTREMELY RELIABLE- improving the design of the infrared detection chip and the detection angle to reduce the false alarms from the sunlight/rain/fog/snow/wind/temperature change and etc.
the outdoor motion sensor is waterproof (IP66), fully-enclosed design. the working temperature