1. TEMPERATURE SENSING CHIP: Suitable for different environments, with built in sensing detection environment temperature display, and convertible display of temperature. 2. SETTING MEMORY: When power is off, there is no need to reset the time, alarm clock, date, etc., connect the power cord, or use the battery on the device (without) to function normally. 3. OPERATION DETAILS: Time temperature, date rotation, time, 5 second cycle switching of dates (fixed time). 4. POWER DETAIL: Battery, power supply function, can accommodate 4 x AAA batteries (shipped without batteries), or can be connected to the power supply using a USB cable (warm reminder, batteries cannot be used together with the power supply, it is recommended to use the power supply when commonly used. Plug in and use about 1 ° of electricity for 1 month, and the battery slot is used for urgent backup). 5. WOOD MATERIAL: Environmentally friendly, durable, exquisite and delicate wood grain material, wear resistant, a good home decoration. Spec: Item Type: Wooden Alarm Clock Product Material: Bamboo and Wood Application: Alarm clock Battery: Dry battery x 4, AAA (shipped without battery) Plug: USB Weight: Approx. 216 g / 7.6 oz PackageList: 1 x Wooden Alarm Clock 1 x USB Cable 1 x Manual See moreOPERATION DETAILS: Time temperature, date rotation, time, 5 second cycle switching of dates (fixed time). TEMPERATURE SENSING CHIP: Suitable for different environments, with built in sensing detection environment temperature display, and convertible display of temperature. SETTING MEMORY: When power is off, there is no need to reset the time, alarm clock, date, etc., connect the power cord, or use the battery on the device (without) to function normally. POWER DETAIL: Battery, power supply function, can accommodate 4 x AAA batteries (shipped without batteries), or can be connected to the power supply using a USB cable (warm reminder, batteries cannot be used together with the power supply, it is recommended to use the power supply when commonly used. Plug in and use about 1 ° of electricity for 1 month, and the battery slot is used for urgent backup). WOOD MATERIAL: Environmentally friendly, durable, exquisite and delicate wood grain material, wear resistant, a good home decoration.