The item is a temperature controller socket. This product is constructed with material for long-lasting and practical use, which is waterproof. This temperature controller can be widely used in fish tank, aquarium and so on. Features - Color: Black. - Material: Plastic. - Size: About 21 x7x4.3cm. - Measuring range: 0-50 . - Measurement accuracy: plusmn; 1 . - Temperature range: 0-50 . - Resolution: 0.1 . - Time format: 24:00. - Relay capacity: 10A / 220V. - Product power consumption: le;3W. - Control load: le;1200W / 220VAC. - Input power: 220V plusmn; 15% (VAC), 50HZ ~ 60HZ. - Large screen LCD display, friendly interface, reading, operation, and setting parameters are simple and clear. - Use the real-time clock to control the light output to simulate the real environment of day and night. - Small and stylish appearance, can be attached to glass, placed on a table, or installed in aquariums and terrestrial animal farms. - Button activates, cooperate with buzzer rang, there are both tactile experience and auditory feeling, this is more easy and convenient to operate.