简介：Model number KT-8 Temperature range -10℃~+50℃ (+14℉ ~ +122℉) Product Dimension 78*78*30mm Humidity Range Indoor 20%RH~90%RH Power-supply 1.5V (LR44) x1 2 modes of time display 12h / 24h Features 1.Time, year, month, date and week display 2.Count-up /down timer. 3. 2 modes of clock display: 12h / 24h 4.Backlight,Waterproof 5.Sound-control sensing function 6. Low power indication