Mini Indoor Thermometer Digital Lcd Temperature Sensor. SPECIFICATIONS: Theory: Temperature Sensor Model Number: M109594 Max Measuring Temperature: 50C - 69C Display Type: DIGITAL Usage: Household Power Type: Button Battery Style: Embedded Display Size: 1.9 Inches & Under Item Type: Digital Temperature Hygrometer Display Type: LCD Size: 47.8 X 28.7 X 15.63mm/1.9 * 1.2 * 0.63in(approx.) Function: Record Max. & Min. Temperature & Humidity Value Feature: Portable Digital Temperature Hygrometer Feature 1: Measurement & Analysis Instruments Material: Plastic PP Application: Measure Temperature and Humidity, C or F Switchable Feature 2: Ship Without Battery . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.