Remote 300m Long Distance Automatic Call Intelligent Electronic Waterproof Accessories(eu Plug)

52 ring tones300m range in the open air4 level volume,adjustableLED indicator for receiverfor family commercial residential area,office ,hospital,restaurant,.Plug Type:EU Plug,it applies to Indonesia, , , , and so onType: DoorbellsRingtones:52 pcsColour: BlackMaterial: ABS: ElectricalDoorbell Type: WirelessPower Source: AC,BatteryPower supply: AC100-240VWorking frequency: 433MHZRing Tone: 52 ring tonesWaterproof : yesVolume:4 files 10-110dbBattery mode: 12v 23A battery (not include battery)Receiving distance: 300M Remote (in open area)Suitable for: Home,office,,hospital,school,The transmitter 12V23A battery -installed (not include battery)The use of microprocessor control, double-sided PCB -power design.The frequency of 433MHz, can be customized other frequencie.Touch the button configuration, superheterodyne learning code on the code modeDouble-sided stability of the PCB, the chip standby sleep up to -level.Package List:1x Receiver1x TransmitterOnly the above package content, other products are not included.Note: Light 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.