3. 【Motion sensor and light sensor】: This light is the combination of solar emitter and motion sensor light, The updated PIR motion sensor detects people at a distance of 2-5m (when motion is detected, solar lamps are automatically switched on; no motion is detected, it will automatically switched off.) Meet your different requirements. 4. 【Degree of protection IP65】: The sun lamp is made of high quality ABS and is heat-resistant. With the professional IP65 protection level, the inside of the solar lamp can be waterproof and dustproof, while maintaining a very bright brightness, even if it is exposed to the outdoors for a long time. 5. 【Easy to install】: You can simply mount the solar light on the wall with the enclosed screws, no wiring required. ideal installation height is 1.8 to 2.5 m.