Note: The item comes with an EU plug adapter: ONLY for 220V, NOT for 110V. Please confirm the voltage of your region before placing an order. With the help of the temperature controller, this heating rod allows precise temperature control via the easily adjustable thermostat for accurate settings. It is easy to install and use and is suitable for freshwater and saltwater aquariums as well as aquaculture, terrariums and hydroponic systems. feature - Color: As shown. - Material: Glass & ABS. - Size: Approx. 20.5 x 3 x 3 cm / 8.1 x 1.2 x 1.3 inch (L x W x H). - Safe and reliable in both freshwater and saltwater aquariums! - Includes two suction cups for mounting. - Automatic shut-off when temperature is reached. - With the use of the temperature controller, this allows precise temperature control via the easily adjustable thermostat for accurate settings.