The LATNEX TM-A003 is a full-view thermometer that measures the real-time temperature of your engine. A high temperature value can be set to protect your engine from overheating. The waterproof design makes it ideal to use in any weather conditions. Product Features: Engine Temperature Meter: Record real-time & maximum temperature of engine, alert over-temperature reminder. Record real-time temperature when temperature sensor connect correctly. Viewable historic maximum temperature. Alert reminder when temperature exceed initial alert value. Temperature range: -20℃ to 300℃(-4℉ to 572℉), accuracy :±1℃/℉. Refresh rate: 6s The unit can easily be changed from ℃ to ℉. Specifications: Battery replacement reminder LCD Screen size 22x44mm Product size 67x35x17 mm Battery type: CR2032 210mAH, replaceable; Easy to install, including double-sided adhesive tape, zip ties, TS002 temp sensor, screws, nut, washer, user manual. Waterproof rating: IP67 Applications: Gasoline engine equipment such as generators, snowmobile, motorcycle, tractor, etc. User manual