Features and specifications:
1.Press the on, super learning code can freely learn to match, can be unlimited matching receiver.2.The transmitter without screw chuck design to achieve waterproof and dustproof.3.If multiple ons are paired with one or more receivers in the same system, each on can be set to a different ringtone.4.Power-off memory function: Turn the power on again after power off, no need to re-adjust and lock the ringtone.5.The doorbell on use a 23A12V battery (not included) and the receiver voltage is 220v.6.The receiver is available in a variety of plugs, US/EU/UK Plug and AU adapters, suitable for most countries.7.Receiving distance:300 meters in open area.8.The wireless signal will be affected by obstacles. The more obstacles, the more serious the signal loss.9.The receiver has 58 ringtones to choose from, and the volume is 20-80db in 4 levels.10.Transmitter size:77*46*20mm11.Receiver size:95*56*20mm12.Just plug the receiver into an electrical outlet,the push on transmitter can be stick it to the door with provided adhesive tapes.Note:The on cannot be placed on an door because it will interfere with the signal.If the receiver does not ring when you press the on after you receive the doorbell, check the steps:1. The on needs to be equipped with an alkaline battery of 23A12V.2. Please re-pair the doorbell.
How to pair signals?
1.Pairing method: press and hold the music on on the receiver for about 5 seconds (the light is on), release the music on, then press the on immediately, the signal is successfully paired.
How to modify and lock music?
Press and hold the music and volume on of the receiver before plugging in the power socket. Plug in the power socket until the light of the receiver lights up, release the music and volume on, press the music on to adjust to the favorite music ringtone, press and hold the music on again until When the light is on, press the transmitter twice immediately and the music is locked successfully.

How to solve if the work is not normal,When receiving the goods?
1. Try pairing signals first.2. Please contact us, we will send a video to help you.3. If there is a problem with the product, we will re-send the receiver or on to you.
About shippingShipping and Packaging All itwill be double checked and well packed before sending.Itwill be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). Special Announcement:Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties ores. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .Your 100% satisfaction is very important to usIf the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.