Type : Wireless Series KEYDIY Remote Key Button: 3 Buttons Transponder Chip: YES Electronics: YES Battery: NO The following 5 functions in one key: -ATT-36 -ATT-46 -ATT-for --for -XTT-new for The Remote Controls have built in electronic transponder chip for car models. All 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 (mose 2013) and some (default keys are -36 models) -ATT-46 is for , and most , and come other keys with PCF7946 Chips. -ATT- is for car keys -- is for new , ,opel -XTT-new is for 2014 and 2015 new car keys Supported Devices: KD900 KD900+ URG200 -X2 Colour:black+silver Material:ABS Package Contents: 5x Car Remote Key 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.