1) Solar Panel: High efficiency mono or poly crystalline silicon; 2) Light Source: High bright LED, white, lifespan more than 50000hours; 3) Controller: Intelligent microcomputer controller, 12V/24V auto, time control & light control,with over-charging and discharging protections etc; 4) Battery: Gelled valve-regulated sealed battery,maintenance free and deep cycle; 5) Light Pole: 5-10 meters pole, made of quality steel, plastic coated after hot dipped galvanized, rust proof.Wind resistance ≥120KM/H; 6) Work Temperature: Ambient Temperature for -30--+60 degree C; 7) Lighting Time: Usually 8 /10/12 hours lighting per night, 3-4 / 5-6 rainy or cloudy days; 8) Voltage: Advisable DC24V for LED above 40W. www.streetlight-sx.com