Nokero N100 LED Solar Light Bulb (for outdoor, indoor, camping, RV) Durable, rainproof, AA-sized recyclable battery, portable, easy to use, hangs outdoors for charging Ni-MH battery lasts 1.5 years, and is replaceable Automatically switches off in bright light to save charge Five wide-angle, light emitting diodes. Four state-of-the-art, high quality solar panels On/Off switch