Product Review

The infrared sensing terminals of the solar sensors can be mounted up to 300feet apart,and will send a wireless signal back to the wireless alarm receiver up to 1/2 mile away anytime the intruder passes between the sensors;the solar sensor is powered by built-in lithium ion batteries those are recharged through the solar panels during the day, requires no wiring and easy to install.the wireless alarm receiver has 4 volume levels adjustment and 35 ring tones optional,up to 32 sensors can be connected to the alarm receiver,Match different ring tones with different sensors around your property to differentiate where motion is being detected;it is the ideal for all types of outdoor intrusion alarm application,such as driveway/fence tops/windows/etc. FEATURES: --Fully expandable system; up to 32 sensors can be connected to one wireless alarm receiver, while 1 sensor can be connected to unlimited wireless alarm receivers. --The solar sensor is equipped with self-calibration tools (calibration hole&LCD display), capable of finishing long range calibration in minutes. --Powered by built-in lithium ion batteries those recharged through the solar panels during the day,cloudy and rainy days can charge the batteries normally( (note: when there is no natural light, the built in batteries can support 3-5 days of system operation, but the system is not suitable for long time indoor application). --Waterproof IP66 Fully-enclosed design,resistance to rain/fog/snow/etc(working temperature range from -40„ƒ to 70„ƒ).