Features:1. Made from high quality abs shell, it can prevent from scald the fish in water. 2. Safe to use: Automatic power-off to avoid unnecessary energy consumption and machine damage. When the water temperature is lower than the heating rod and the heating rod is out of the water. 3. Adjustable temperature: the heating temperature can be precisely controlled to 1 degree centigrade. 4. Led temperature display, precisely control of temperature state. PTC heating: quickly heating and it also has high energy conversion rate. 5. With suction cup, the heating rod can be fixed in any place of the fish tank and not to fall off. Specification:Condition:100% Brand NewMaterial: ABSColor: As Pictures ShownVoltage: 220VOperating temperature: 20-345 Optional Types: 1: EU Plug 220-240V 300W; 2: EU Plug 220-240V 500W;3: EU Plug 220-240V 800W;4: EU Plug 220-240V 1000W;5: EU Plug 220-240V 1200W. Cable Length: approx.210cm/82.7in 300W/500W Size: approx.27*8.1cm/10.6*3.2in(L*W)800W/1000W/1200W Size: approx.31*8cm/12.2*3.2in(L*W)Corresponding power calculation=(Fish Tank Length*Width*Water Level Height)cm/1000*2Package list: 1 * Fish Tank Heater.