TOP Digital Thermometer & Hygrometer KT-9

Temperature & humidity display-Temperature unit ℃/℉ changeable-Large LCD size:74.8x82.8mm- Waterproof IPX4 - Comfort level display- 2 modes of time display: 12h / 24h- Count down- Temperature Range:-10℃～+50℃ (+14℉～+122℉)- Humidity Range: indoor 20% RH～95% RH- Timer Range: 0 ～ 99'00''- Product Dimension: 105×105×20 mm- Power-supply: 1.5V (AAA) x2(OPTIONAL)