This product has a built-in batteryAfter charging, it can be used in any space, such as refrigerators, bathrooms, bedrooms, offices, wardrobes, shoe cabinets, cars, etc., with disinfection and deodorization functions.Cycle deodorization modeLong press the power button to enter the cycle mode (the prompt light flashes), stop timing for 6 hours after working for 20 minutes, and stop for 6 hours after working for another 20 minutes, and repeat until the machine runs out of power and automatically shuts down.Single deodorization modePress the power button again in the cycle deodorization mode to switch to single mode (the light is always on), and it will automatically shut down after working for 40 minutes.Battery indicatorWhen the battery power is too low, the indicator light flashes quickly (indicating that charging is required); the indicator light flashes slowly when charging, and goes out after being fully charged.Easy to use interfaceThere is a power button on the top, and the device ensures worry-free operation. Just press the button to activate immediately, allowing all users to use it.PrecautionsDuring ozone disinfection and within 30 minutes after turning off ozone disinfection, people or animals must not be in the room or space where the machine stays! Otherwise, it may cause harm to the body!