Specification Brand : Walfront BulletPoint1 : Multiple Temperature Modes: Wireless temperature and humidity sensor has multiple temperature modes adjustable for different scenarios. BulletPoint2 : Low Voltage Monitoring Alert: Temperature and humidity sensor monitor with low voltage monitoring alert function, will send online reports to the host at regular intervals. BulletPoint3 : Low Power Consumption: Wireless temperature and humidity sensor monitor low power consumption, long battery life, Bluetooth transmission data , link Bluetooth, cell phone remote monitoring. BulletPoint4 : Anti Demolition and Split Design: Our Bluetooth temperature and humidity sensor monitor has professional security field anti demolition design, split design, high reliability. BulletPoint5 : Radio Transmitting Circuit: The temperature and humidity sensor has a radio transmitting circuit and coding technology to solve the problem of interference blockage. ItemName : Intelligent Wireless Temperature Humidity Sensor 3.5in Screen BT Temperature Humidity Sensor Monitor Multiple Modes Thermometer Hygrometer Low Voltage Monitoring Alert ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 8 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : humidifier-accessories Manufacturer : WALFRONT ModelNumber : WALFRONTghq2fgdzby MountingType : Tabletop NumberOfItems : 1 PartNumber : WALFRONTghq2fgdzby ProductDescription : Specification: Item Type: Intelligent Wireless Temperature Humidity Sensor Material: ABS Communication Mode: Bluetooth Detection Temperature Range: -9.9-+60℃ Detection Of Humidity Range: 0-99%RH Power Supply: AAA Batteries x 3 Required (Shipped Without Batteries) Display: 3.5 Inch Large Screen