Supply Voltage: 7-12VDC@200mA Frequency range: 29 KHz-90 KHz Reaction time: 100ms Output Delay: 2s (alternative) Sensitivity: 0.02%-0.2% adjustable in 4 grades. Environmental compensation: Automatic drift compensation Loop inductance: 80uH-300 uH (include the connecting wiring) Ideal 150Uh uH (41khz) Loop conn. Wiring: Max.5 meters. Twisted at least 20 /meter. Storage temp: -40ºC-+85ºC Operating temp: -20ºC-+55ºC Relative humidity: ≤95% Package: standard relay package Dimensions: 27mm (L)*21mm (W)*37mm (H)