For KEYDIY Universal Remote -Series for KD900 KD900+ URG200, For KEYDIY Remote for NB28 (all functions in one key)Type: Wireless Series For KEYDIY Remote Key NB28Button: 3 ButtonsTransponder Chip: YESElectronics: YESColour: BlackMaterial: ABS+MetalBattery: NONote: B Series is without electronic chip Series is with electronic chipAll remote controls for KD900 can make remote controls with 300-500 MHZ frequency,as as 310 MHZ, 313 MHZ, 314 MHZ, 315 MHZ, 433 MHZ and so on.There are 5 different models of series:-ATT-36 is for and and old (mose 2013) and some other brand (default are -36 models)-ATT-46 is for , and most , and come other with PCF7946 .-ATT-for is for car NNB--for is for new , ,opel -XTT-new for is for 2014 and 2015 new car Supported Devices:KD900KD900+URG200-X2Package Contents:1 x For KEYDIY NB28 Remote KeyOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.