Scimagic-RC patented version SMG-233V15.0 SMG-233V15.0 is the latest version released on April 20, 2021. Other sellers are selling the old version V6.1 or V6.3 of 2017-now. V15.0 of other sellers is fake. Advantages of Scimagic-RC SMG-233V15.0 Versions 1. Can clone more brands (updated 20 more brands) 2. Longer copy distance (Old: 4-5cm, V15.0 max: 50-60cm, easier to copy the remote with weaker signal) 3. Longer control distance 4. No battery problem Compatibility list Please make sure your remote is in the list. ROPER 868MHz is not compatible. Specifications: dwt: Scimagic-RC Product Model: SMG-233V15.0 Product material: ABS Product size: 60*37*10mm Product weight: 40 g Rated voltage: 3V (CR2032 include) Installation: wireless Frequency: 433MHz, 433.92MHz, 868MHz. Code:Rolling code/Learning code/Fixed code Radio transmission distance: 30-100m (Open area) Scope of application: garage door, alarm, automatic door, rolling door, etc. Low power consumption remote control. One CR2032 battery lasts for 2 years. The remote control contains batteries. The battery can be replaced, If you abnormal use will cause the battery life to be reduced. Easy to use This is a clone remote control, it needs to clone your original remote control face to face. If your remote control is a fixed code, after cloning, the new remote control will work. If your remote control is rolling code, after cloning, the new remote control needs to be programmed / activated on the receiver, the new remote control works. I will provide you with detailed instructions in the package, it is a card.