Specifications 1. Model: SMG-256 2. Material: ABS 3, type: 4 -in -1 1 4. Product weight: 35 grams 5, size: 65mm*39mm*13 6, button color: white, red, blue, yellow, green 7, distance: 50m-200m (open), 8, battery: CR2032 (including battery) 9, code: fixes code and rolling code 10, frequency: 280MHz-868MHz (287MHz, 315MHz, 390MHz, 433MHz, 868MHz ... ..................... 11. If your remote control is a fixed code, after cloning, the remote control will work. 12. If your remote control is a rolling code, after cloning, you need to program the remote control on a remote control on the receiver, and the remote control can work. Compatible Models LiftMaster TX4EVF LiftMaster TX2REV LiftMaster TX4REV Access to receiver required. Please make sure you got access to your receiver/opener before purchase. Features Clone 4 identical frequencies at the same time. Clone 4 different frequencies at the same time. Clone 4 different brands at the same time. Clone 4 identical brands at the same time. Include Remote Control Include Battery Keychain English Manual