Size: 32.5*12mm; Operation voltage: 5V DC; Operation current: 15mA; Operation temperature: -20~+70; Warming-up time: 20s; Digital output: 5V high low voltage Sensitivity: V-Tune PIN Voltage Sensitivity level Low sensitivity 0.00V-1.249V 25% Medium sensitivity 1.25V-2.49V 50% High sensitivity 2.50V-3.74V 75% Test sensitivity 3.75V-5.00V 100%