HALOGENLEAK DETECTOR Sensor lifetime: 50h;                 Sensitivity range: 7levels; Maximum sensitivity: 3g/yr;       Response time: <1s; Warm-up time: about 3s;           Reset time: 2s; Detection mode: Continuous, unlimited; Power supply: 2AA alkaline batteries(3VDC); Battery life: approximately 20hours in normal use; Approvals: Compliant to Standard: SAE-J1627,EN14624,CE; Overall size: 9*2.4*2.2 inch;         Probing rod length: 14 inch;