Model number:M-9J Use for:IR remote control Compatible models: TV/DVD/DVB/VCR/SAT/HIFI/TV-BOX/Hearter/Sound bar Battery:2xAAA batteries (not included) launch range:Distance: over 10 meters, Angle: 40° Button life:Over 100,000 times. Wireless Communication:Infrared Dimensions:18.5x5x2.2cm (approximately) Weight:80 Grams Pay Attention!!! Not work for Air conditioner. Not work for Bluetooth or wifi remote control. You must have the-original remote control to teach the Learning remote. Attention:If you lost your the-original remote control, do not buy it. How to use the learning remote control. Step 1 button "bigger Power" and button "Channel up" simultaneously, the LED start blinking, the learning system is on now. . Hold the sending end of the remote control at the receiving end of the Learning Remote control(distance of 2cm-3cm is the best). Step 3. the button of learning remote control which you want to program until the LED stop blinking and keep lighting up, release the button. Step 4. the targeted button of the-original remote control and hold about 2 seconds, when receiving the correct data, LED change from "keep lighting up" to "keep blinking". Then release the button of the-original remote control. Step 5. To learn other buttons repeat step 3 and step 4. Step 6. When learning is completed, buttons "big power" and "channel up" simultaneously to exit learning state with LED off. Color:Black Material:plastic Package Contents: 1 * Universal Learn Remote Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.