1. a high-tech, high-sensitivity and high-quality surveillance safety
alarm
2.Battery back up, provides 6 hours when power out

·Complete protection range up to 20×20M
·Beam of light: 2 Beams       
·Detector method: infrared
·Detector speed: 50-700ms       
·Fewer false alarms with advanced technology     
·Not effect by outside forces: wind or rain etc.     
·Work easily with all forms of pool cleaning robots    
·Powerful 101dB alert siren       
·Pass mode allows for entry without the alarm sounding and automatically resets at preseted interval   
·Battery back up can provides 6 hours when power use up
·If the solar boards charged 8 hours, it can work more than 80 hours  
·If no sunshine for six days, the unit will not work      
·The unit will emit low  "CHIRP" sound to alert you that there will be an interruption in their source voltage
·Install easily with common tools      
·Input voltage: AC12V      
·The Max current of the main unit: <1A
·Working temperature: -35°C~60°C    
·Working humidity: 5%~95% RH