Wireless Doorbell For Home Outdoor USB Door Bell DC 5V RF433 MHz Pairing Remote Control 30 Ringtongs Volume Adjust Bed Care Call

Features: Easy to use: 1. Codelearningoperation: Pressandholdthevolumebuttonfor5secondstoenterthelearningmode.TheLEDlightwillstayonforalongtime.Pressandholdthe remotecontroltosendacode.Thelearningissuccessful,andtheLEDlightwillturnoffonce(200ns)torestoreitslonglight.Learningfailed,theLEDlightgoesouttwice(eachtimeitgoesoutfor200ns,withanintervalof200ns),andatthesametimeitdropstwicetoexitthe learningmode-pressthevolumebuttononcetoexitthelearningmode(withoutswitchingthevolume). 2. RemoteControlInstructions: Aftersuccessfullymatchingthecode,presstheremotecontrolbuttontostartmusic. 3. Volumebutton: Clickonthevolumebuttontocyclethroughhigh-medium-mute,feedbackabeepofthesamegear,andflashtheLED(200ns)once. 4. Musicswitchingbutton:Pressthemusicswitchingbuttononcetoswitchtothenextmusic,andthemusiccanbecycled. 5. Clearcodeoperation: Longpressandholdthevolumebuttonofthereminder,thenconnectthepower,andtheindicatorlightflashestoindicatesuccessfulcode clearing. Specification: (1)Workingfrequency:433.92MHz; (2)Musicquantity:30; (3)Outputmethod:Horn; (4)Demodulationmethod:ASK; (5)Encodingformat:EV1527; (6)Shell material:ABS; (7)Controlmethod:Equippedwitharemotecontrolforcontrol; (8)Productsize:56.5*33*5.3mm (transmitter), 45*45*14mm (receiver); (9) Powersupply: CR2016 * 3 batteries (transmitters), DC 5V USB (receiver) Packageincluded: 1* transmitter (remote control), 1* receiver (doorbell), 1* user manual 1. Thisproducthasbeenpairedbeforeleavingthefactory,thereisnoneedtorepeatthepairing.Thismethodisonlyforlosingor increasingatransmitter. 2. Pleaseleave5starfeedbackifyou'resatisfiedwithourproductsandservice,wewillappreciateit. Product size and specifications: Product details: Product features: Packing box: Product details Application: Application: Product matching: