... and 2 reflectors ---Visible distance: more than 500m Solar safety light is on big truck ,guardrail ,wall ,tower,bridge ... power: Maximum 3V/50mA, Minimum 1.8V/30mA4. Light Source: using 4 red φ5 red standard LED ... mixture with reflector in the middle.5. Light Mode: Flash: double side with 180times/Min.6 ... avenue,Panyu district, Guangzhou,Guangdong,China solar safety light,led warning lamp ,signal ...