Description:Item type: Clock doorReceiver: direct plug; the receiver supports AC voltage 100-240VTransmitter battery: 1 * 12V23A battery (not included)Power supply specifications: EU specificationsColors: White, BlackWeight: 150 g (set)Scope of application: 300mWireless remote control range: 300 meters in open space (superheterodyne technology)Size: Receiver: 95 x 65 x 24 mm, Transmitter: 75 x 51 x 20 mmPower consumption: 1WPower supply mode: 110V-220VMaterial: ABS + electronic componentsNumber of ringtones: 38Drag- Top-class equipment- Signal penetration 300mWaterproof designPackage includes:1 * transmitter1 receiver1 * instructions in EnglishNotes:An error of 1-2mm may occur due to manual measurement; please note. The color may vary slightly due to different monitor settings.We offer you the best product and service. If you have any problems, please let us know and we will solve the problem as soon as possible. Thank you very much.