HIGHLIGHT [ 4 IN 1/3 IN 1/ 2 IN 1 ] Replace your two or three or four remotes at the same time. [ Multi-frequency Duplicator ] 280mhz to 868mhz [ Three Code Clone ] Rolling Code&Fixed Code& Learning Code [ Easy to Clone ] The learning code and fixed code can be used directly after cloning, please program on the motor after the rolling code is cloned. SPECIFICATION -- Product material: ABS -- Product size: 63*37*12mm/2.48*1.46*0.4" -- Product weight: 35 g -- Product color: Black -- Rated voltage: 3 V -- Installation: wireless -- Corresponding frequency: 280-868MHz -- Learning frequency range: 300MHz ,306MHz ,310MHz ,315MHz, 315.5MHz ,330MHz, 360MHz ,390MHz, 410MHz, 430.5MHz, 433.42MHz, 433.92MHz, 868.35MHz, 286-361MHz, 384-400MHz. -- Scope of application: garage door, alarm, automatic door, rolling door, etc. -- Suitable for 99% of remote controllers on the market. Feature: 2.One to one key copy 3.Each key password alone save 4.Can continuous repetitive copy use one million times 5.Privacy is strong 6. A replacement for garage door remotes. 7. Multi-functional and multi-variable, personalized and user-friendly simple design and fast to use.