OEM KT-903 Digital thermometer & hygrometer with alarm / alarm clock

KT-903 Digital Thermometer & Hygrometer with Calendar & ALARM * Functions: * * Indoor temperature & humidity display * Temperature range selection ° C / ° F * Features: * * Humidity: 10% RH ~ 99% RH * 12/24 Time * Alarm function * Calendar with current week * Ability to connect extra temperature sensor * MIN / MAX measurement memory for humidity & Temperature * Temperature: -50 ° C ~ + 70 ° C (-58 ° F ~ + 158 ° F ) * Dimensions: 150? 88? 24mm * Power supply: 1? 1.5V (AAA)