LCD display Dimension 48 * 28.6 * 15.2mm LCD size: 35.7 * 16.8mm Weight: 25 grams (without battery) Humidity display Humidity measurement range of 10% to 99% Humidity Display resolution 1% Humidity sampling period 10 seconds (1 minute) Humidity measurement accuracy +/- 5% Rated voltage DC1.5v (2 AG13 button batteries) Temperature measurement range -50 to 70 degree Temperature measurement accuracy +/- 1 degree (at room temperature) Flip to the back of the product; Push the battery cover in the direction indicated by the ; Put two LR44 button batteries into the battery compartment color: White material: metal Installation and operation: Embedded installation Package Contents: 1 x digital temperature hygrometer Only the above package content, other products are not included. Note: Light 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.