Features: High precision measurement and reading - Built-in, high quality sensors. industrial sensor detects humidity and subtle temperature variations and update readings. day every 8 seconds. Large LCD screen with huge numbers, you can read the current temperature and humidity. à at a glance. Alarm Clock Function - The humidity meter Also displays exact date and 12H/24H time, and with hourly chime function and alarm clock function, press « FASHION » for a while then press the « ADJ » can adjust. Max & Min Record - Press « MEMORY » Digital thermometer displays the highest and lowest value of temperature and humidity. in the last 24 hours. Degree and selectable of the unit, press the black button under Kickstand switch. Wide Application - Suitable for baby room, nursery, office, closet, incubator, greenhouse, garden, cellar. wine, basement, etc. Critter terrariums Easy installation - With hanging hole and a retractable stand, easy to install. mount on the wall or simply place it on the wall. on the table. Specification: Module: HTC-1 / HTC-2 / HTC-8A (optional) Color: Dark blue (HTC-1) / Blue (HTC-2) / Black (HTC-8A) Power: 1 x 1.5V AAA battery (not included) Display function:Unit Temperature: / Switchable Time: 24H / 12H Switchable Time Report: Time Report Alarm Clock: 1 group Resolution: 0.1 % RH 1 Memery: MAX, MIN Installation: Stand, Hang up HTC-1 Digital Themometer hygrometer: Temperature measurement: -10 -50 / 14 -122 Humidity Measuring range: 10% -99% RH Precision: ± 0.1 ± 5% humidity relative Data: month, day (Press Mode to check) Size: 94 * 85 * 23mm / 3.7 * 3.3 * 0.9in Packing List: 1 * Digital Thermometer Hygrometer 1 * User Manual