... than 500m Solar safety light is on big truck ,guardrail ,wall ,tower,bridge and son on 1. Solar Panel: 3 ... .5V/78mA, high efficient monocrystalline silicon solar panel. 2. Battery: ... to charge it full . 8. Switch control : on/off and lighting model 9. Material: Housing is ... Panyu district, Guangzhou,Guangdong,China solar safety light,led warning lamp ,signal light