Product name: Learning remote control This product adopts the techniques of fast code locating. It can copy the codes/functions from your original IR remote controls. It provides 3 devices/126 keys for learning. You can choose to learn the functional keys optionally for your home devices. It is the best choice in usage for multiple appliance, with permanent memory after simply learning setting up. Employ the most advanced design of the intelligent chipset. Cope the codes/functions from your original IR remote controls. Novelty appearance, comfortable feel and simple operational method. Permanent memory: no need to reset after battery replacement. Use for: TV/VCR/SAT/CBL/STR-T/DVD/VCD/CD/HI-FI. Keys: 42 keys Battery: 2 x AAA(not included) Remote distance: Greater than 8m Material: ABS plastic Product size: Approx. 185*50*12mm/7.28*1.96*0.47 inch Net weight: approx. 68g/Pcs Note: A and B are exactly the same learning remote control. A: Remote control which has been completely learned. B: Remote control which needs one key learning copy. Package Contents: 3 x Learning Remote Control 3 x User Manual 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.