-Each solar ground light has a built-in 600 mAh battery,when replacing it use only the type: 600 mAh Ni-MH battery.These Solar lights automatically turn on in darkness or at night and turn off in daytime or bright area.It can illuminate for 8-10 hours with 6-8 hours of charging. (Charging and working time will change depending on the weather)
-IP65 waterproof grade built in external waterproof switch, instead of pinhole switch; Advanced lighting override material with stainless steel lamp shell, suitable for outdoor use, no worries about rain, snow, frost, or sleet;and durable than similar solar lights.

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