Features: 1.The shell is made of quality plastic, eco-friendly, anti-aging and durable. 2.Built-in sensor accurately detects the temperature of fish tank. 3.Easy to install to the wall of the fish tank. 4.Small size and lightweight, easy to carry. 5.The LCD Display Thermometer is moisture resistant and not affected by the environment, which will give accurate reading and display. Specification: Features: _x000D_ _x000D_ The shell is made of quality plastic, eco-friendly, anti-aging and durable. _x000D_ Built-in sensor accurately detects the temperature of fish tank. _x000D_ High brightness display screen is clear and easy to read. _x000D_ Easy to install to the wall of the fish tank. _x000D_ Small size and lightweight, easy to carry. _x000D_ The LCD Display Thermometer is moisture resistant and not affected by the environment, which will give accurate reading and display. _x000D_ _x000D_ Specification:_x000D_ Item Type: Digital Thermometer_x000D_ Material: Plastic Shell, Electronic Components_x000D_ Optional Colors: Yellow, Black_x000D_ Battery Supply: 2 x AG13 Button Cell(included) _x000D_ Rated Voltage: DC 1.5V_x000D_ Measuring Range: -50C-70C_x000D_ Humidity display resolution: 1%_x000D_ Humidity sampling period: 10 seconds (1 minute)_x000D_ Humidity measurement accuracy: 5%_x000D_ Temperature measurement accuracy: 1 degree (at normal temperature)_x000D_ Dimensions: 5.8*3.5*1.6cm / 2.3*1.4*0.6inch_x000D_ LCD Size: 2.6*1.36cm / 1*0.5inch_x000D_ Weight: Approx. 34g_x000D_ _x000D_ Package List:_x000D_ 1 * Digital Thermometer_x000D_ 1 * Sucker_x000D_ 2 * Button Cells