Mini LCD Digital Fishing Barometer Altimeter Thermometer Waterproof Fish Tank Temp Meter Electronic Temperature|Compass Features: Smart tracking barometric pressure for 6 fishing places. Smart reminding suitable fishing time. 24 hours barometric pressure trend chart. Adopt super-accuracy barometric sensor from Swiss. 3 days air pressure & temperature record. Incorporates altimeter, barometer, temperature, weather forecast, countdown timer, time & data functions, etc. IPX 4 waterproof. LCD backlit. Specifications: Barometer: Range from 300hpa to 1100hpa Hpa and Inhg unit switch available Resolution of 0.1hpa Thermometer: Range from -10? to +60? ? and ?unit switch available Resolution of 0.1 degree Data records: 6 sets of data for fishing places including pressure, time, depth Countdown timer: Range from 0 to 59:59:59 Weather forecast: 4 weather status indication(sunny, partly cloudy, cloudy, rainy) The weather forecast for next 12 to 24 hours Time: 12/24 hour format switch available Date display : month, day 3 days historical data record: Record 3 days max (min) pressure, max (min) temperature Battery life: about 12 months Material: Plastic Color: Blue Item size: 5.5 * 1.5cm / 2.2 * 0.6in (D * W) Item weight: 29g / 1oz Package size: 14 * 10 * 2.7cm / 5.5 * 3.9 * 1.1in Package weight: 69g / 2.4oz Package List: 1 * Fishing Barometer 1 * Carabiner 1 * User Manual (English)