Used in highway construction,building sites,parking lot Anit-crash , waterproof ... : 1:3.49Max intensity: 17.1cd05) Power: Solar Power (0.45W) , Monocrystalline silicon solar panels06) Viewing Distance:1 KM07) Operating time: One ... north avenue,Panyu district, Guangzhou,Guangdong,China traffic warning lamp ,solar barricade light .solar blinker