... viewing angle: 120°8. Water and dust-resistant, IP659. Low power consumption 10. Defending electricity leakage 11. Easy to install, maintenance ... DC12V.2 Operating temperature: -20°C ~ +40°C.3 The power voltage is permitted in +10%~-10% fluctuating. If it’s ... no defending Water leakage before connecting to extra power supply.6 Before maintenance, make sure the power cut off. After assembling right, it ...