If the green protective film on the Fog Machine battery falls off, please stop using it and replace the battery for safety reasons. The recommended operating temperature for the product is 5°C to 45°C. If the temperature is too low, it may affect Fog Juice conduction. We apologize for any inconvenience. Ulanzi FM01 FILMOG Ace Portable Fog Machine, Smoke Machine with 36 fog effects in different intensities, 40W Fog with Remote Control Portable Hand-held Forgger, Perfect for Photography, Outdoor Events, Parties, Stage Effects, Halloween or Weddings. On-the-go Design: Handheld design and carrying bag are designed to travel with you wherever you go. Controllable Fog Intensity and Speed: Total 36 fog effects in different intensities, at different speeds for you to choose. Shape the Smoke at Your Will: Various attachments are included to help you create different fog effects. Remote Control: Enjoy the convenience of shaping the smoke from a distance up to 10 meters. Swappable Battery: Swap the battery or juice it up with the Type-C charging port to keep your creativity flowing. Universal 1/4″ Mount: It comes with a 1/4″ screw mounting slot to mount stand for flexible adjustment. Worry-free Safety: Temperature control prevents overheating; Vegetable glycerin ensures a foggy spray with no fine dust and is odor-free. Extended Applications: Suitable for both commercial use and home use, or other occasions you want to creat a desired vibe. Dimensions: 58.11mm×57.73mm×163.50mm. Single Operation Time: 1min30min. Battery: 18650 3.6V 2500mAh 10C 2. Charging Time:? 2.5h. Dimensions: 23.7mm×10mm×92.2mm. Display: 1.08 TFT Display. Battery Parameter:3.7V 200mAh 0.74Wh. Charging Parameter: input 5V? 150mA. Charging Time: 1.5h. Remote Control Distance: 10m. Dimensions: 25.8mm×25.8mm×40mm. Battery Runtime at Full Charge:>10min (Max Power). Ingredients: Vegetable Glycerin + Propylene Glycol (VG:PG = 8:2).