***** **********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, so no need replace the battery. (PS. the sensor also can be powered by the DC5V-12V power adapter or by the extra solar panel sold by if the sensor be installed indoor or darkness areas)*****WIDE RANGE OF APPLICATION- the wireless range from the sensor to the alarm receiver is up to 1/4 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