Product name: hygrometer Form: Single Face Function: Temperature Display Motivity Type: Digital Feature: Calendars Type: Alarm Clocks Display type: LCD Special features: Decoration, Thermometer, Glow-in-the-dark, Weather forecast, Calendar, step-down, alarm clock, Calendar, 24-hour indicator, Humidity measurement, Week Display, Smart Scene Mode, Month display Waterproof: No Power type: External power supply Movement type: Electronic Item number: 3566BN-NORCC Specification: 3566BN Neutral Style: Modern and simple Colour: Black Material: ABS Package Contents: 1 x sensor 1 x hygrometer 1 x USB power cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.