... ,etcSPECIFICATIONS:•Whole Set Inlcudes:1pcs Remote Transmitter + 2pcs Receiver(with accessories: key ring+adhesive sponge)•Remote Transmitter Size:56*30 ... *12MM•Receiver Size:62*35*7MM FEATURES:•Remote Distance:75 ... included);•Use 1 "CR2032,3V" battery for Parrot Receiver(battery incluede);•Frequency:315/433Hz,keep stable,strong anti- ...