1. Features: 1. It adopts a relatively simple modification method, causing little damage to the appearance, with convenient operation and relatively easy installation. 2. It uses a PET metal heating film, which has a relatively fast heating speed. It can heat up within a few seconds, being relatively safe and efficient. 3. It is equipped with a three - level adjustable switch, enabling users to adjust the temperature according to their own needs. The design is user - friendly. 4. The switch is designed to be directly installed on the rear - view mirror base without punching holes, causing little damage and being relatively simple. 5. It has a DC 12V input, suitable for most motorcycles, with a relatively wide range of applications. 2. Specification parameters: 1. Material: PET metal heating film 2. Color: Black 3. Size: 9.5*8cm 4. Input voltage: 12V 5. Product power: 10W per side, 20W for both sides 6. Handle low temperature: 30°C; high temperature: 50 - 60°C 7. Switch type: Two - level adjustable switch 3. Installation method: 1. Place the heater on the handlebar and adjust it to a suitable position. 2. Use tape to evenly fix (wrap) the heating plate on the handlebar, especially tightly wrap the wires of the heating plate. 3. Put on the sleeve, adjust the position, and use a heat gun (you can also use a lighter or a hair dryer) to blow the two creases of the outer tube longitudinally and symmetrically until it shrinks evenly, then evenly blow other parts until all parts of the outer tube shrink evenly and smoothly. 4. Install the switch under the mirror rod of the rear - view mirror. 5. Connect the power cord. The red and black wires are the positive and negative poles respectively, and they should be connected to the lower output line of the electric door lock (i.e., the place where the key is inserted). 4. Packaging content: 1. 2 heating grip pads 2. 2 shrinkable tubes Thank you for your attention. If you want to purchase a larger quantity of products than listed here, please contact us. Welcome and have a nice day!