---Solar road marker with 4 LED and 2 reflectors ---Visible distance: more than 500m Solar safety light is on big truck ,guardrail ,wall ,tower,bridge and ... 4 red φ5 red standard LED mixture with reflector in the middle.5. Light Mode: Flash: double side with 180times/Min.6. Running ... No.555,Panyu north avenue,Panyu district, Guangzhou,Guangdong,China solar safety light,led warning lamp ,signal light