Description:  1. The anti-mosquito agent in the Mijia Intelligent Mosquito Repellent 2 uses metofluthrin, and the effective time for a single agent to volatilize is 1080 hours. Calculated by using 8 hours per night, it can be used for about 4.5 months. The entire summer is basically No need to replace.  2. The pyrethroid components contained in the anti-mosquito tablets can effectively repel mosquitoes after volatilization, and the effect is better when used in unventilated spaces. A single Mijia smart mosquito repellent 2 is suitable for a space of 28m3.  3. Different from heated mosquito repellent products, Mijia Intelligent Mosquito Repellent 2 promotes uniform volatilization of the m-dicine through the rotation of the built-in fan, does not produce open flame smoke and dust, and the m-dicine is colorless and fragranceless, mild and not pungent.  4. Mijia intelligent mosquito repellant 2, when opened in the power supply mode, connects to the Xiaoai speaker with the function of Bluetooth Mesh gateway, which can be linked with smart devices in the home.With the cooperation of millet body sensor, the effect of intelligent switch can be realized.    Main Feature:  1.Built-in Little Fan Drive Volatilize,No Need Heating;  2.No Need Plug into the Socket (you can place it in anywhere you like);  2.One Button Timing Setting, Ten Hours Timing Setting ;  3.Easy & Fast Using for Home ;  4.Total Energy Saving, More than 135 days using in one Time;    Effective Area: ≤28m³ House or Any Room You Like;  (if you house is bigger than that, you can buy two or more mijia Mosquito Killer for using);    NOTE: AI voice control, remote control and intelligent linkage need to be used in USB-C powered  with Bluetooth Mesh Gateway function of Ai speakers.*    Specification:  Color: Warm White;  Rated Voltage: 3.0V=Battery  5V=USB-C;  Rated Power: 1.7W Max;  Size: 96.5mm x 96.5mm x 52.7mm / 3.80' x 3.80' x 2.07';  Weight: 133g / PC;  Material: PP+ ABS ( bottom is made of high quality organic silicone );  Wireless Connection: BLE Mesh;    How to use:  Use your palm press and anti-clockwise rotate (simple as you want);  Power By: 2 x AA Battery ( Not Included );  Working Time: More than 135 days with effecttive Use ;    Package Includes:  1 x Mosquito Dispeller 2;  1 x Mosquito Repellent Mat;  1 x USB-C Cable;  1 x User Manual