Jardin Suction Cup Mounting Submersible Aquarium Index Thermometer, -10 to 50 Degree C Product Name: Aquarium Index Thermometer; Temperature Reading Range Product Name: Aquarium Index Thermometer; Temperature Reading Range: Aquarium: -50 Celsius Degree to +70Celsius Degree Main Material: Plastic; Total Length: 107cm/42.1"; Display Size: 5.8 x 3.7 x 1.2cm/2.3" x 1.5" x 0.48"(L x W x T) Probe Length: 2.1  0.5cm/0.83"  0.2"(L x D); Cable Length(Approx.): 101cm/39.8" Net Weight: 24g; Package Contents: 1  Aquarium Index Thermometer,2  Suction Cups