【Note】Do not use it under other voltage or under unstable conditions; Please do not drop water, mash or small particles into the machine, which may cause failure. 【Temperature Adjustable】The temperature value of the frame heater is adjustable in two levels, and the temperature can be adjusted to meet your heating needs. 【Fast Heating & Quiet】Built-in high-quality electric heating wires are used to make the temperature rise rapidly. The machine produces noise less than 45 decibels when working 【Service:We attach great importance to our customers' shopping experience. If you have any questions, please feel free to contact us, we will reply you as soon as possible within 24 hours 【Wide Applications】The frame warmer is suitable for correcting non-metal spectacle frames, resins, plates, etc., softening the frames without being damaged by heat