Wireless Hour Meter Vibration Activation Maintenance Reminder Resettable Job Timer Digital Hour Gauge for Marine Motor Item Type: Wireless Hour Meter Material: ABS, Metal Applicable Type: Suitable for Bike Generators, Marine Motors and Equipment That Vibrates While Working Battery Type: Button Battery (Shipped with Built in Battery) Battery Type: CR2430 Number of Batteries: 1 Piece Battery Capacity: 270mAh Total hours maximum value is 999999; Total hours reading display range is 0 to 9999.9h with 0.1H accuracy; Total hours reading display range is 10000 to 9999h with 1H accuracy. TOT hours are not resettable. Service Timer (SVC) Functions: Programmable Maintenance Time, Such As Air Filter Change, Oil Change. LCD will flash an alarm when maintenance work is required. Countdown timer tracks service reminder time with 0.1H accuracy. Job Timer (job) Function: Used to measure the time for a specific job. The job timer contains two job timers: Job and Job 1. Job timer readings are displayed from 0 to 9999.9h with an accuracy of 1 minute. The job timer can be reset. Programmable Vibration Sensitivity: Used to accurately sense the vibration frequency of different machines during operation. SEN 1 is suitable for low vibration equipment with vibration frequencies greater than 32 Hz. SEN 2 is for medium vibration equipment with vibration frequencies greater than 18 Hz. SEN 3 is suitable for high vibration equipment, whose vibration frequency is greater than 4 Hz.