BOTAO Tested high-sensitivity touch button control, you can easily customize settings, provide simple and smooth operation, bring you a smoother experience. There is a magnet on the back of the receiver, which can be adsorbed and hung on metal objects for use, or just put on the table. The wireless weather station with outdoor sensor is suitable for any table position. You can place the screen in your home, office, bedroom, nursery or conference room. Careful and simple design, you can also send it as a gift to your friends or family. Product parameters: Indoor temperature range: -4F - 158F (-20C - 70C) Outdoor temperature range: -40F - 158F (-40C-70C) Humidity range: 20%-95% Comfort Display: Dry, Comfortable, Wet Temperature display unit: C/F optional (default is C) Temperature Resolution: 0.1C/F Humidity Resolution: 1% Refresh rate: 10 seconds. Error: temperature plus or minus 1 humidity plus or minus 5% Wireless reception range: 60 meters/197 feet RF Radio Frequency: 433 MHz Power supply: AAA battery (regular delivery does not include batteries) Delivery quantity: 1set, (host*1, transmitter*1, pearl cotton bag*2, English instruction manual*1, explosion-proof screw set*1) Size: Host: 114*24*96MM Transmitter: 100*35*20MM Colour: Black Kind tips 1. Package content: only the above package content, excluding other products. 2. The size is measured manually, please allow 1-2 cm measurement error 3. Due to different displays and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.