Product: Door Chime BISTEE Wireless Door Alarm Contact Sensor Door Open Bell 600 FT Range with 58 Chimes 5 Volume Levels LED Indicator for Business/Home/Office/Stores (2 Plug-in Receiver & 3 Door Sensor)
Brand: Bistee
BISTEE Wireless Door Chime
 Door Open Chime Window Alarm Operate Range 600ft With 58 Chimes 5 Volume Level, 3 Door Sensor+2 Plug-in Receiver

 Wireless Door Magnet sensor open chime easily installed plugin and play
 How to change the ringtone
 Step 1:Press the "" music "" button on the receiver to choose your favorite melody.
 Step 2:Press and hold down the volume button ,until it makes a ""Ding"" sound and the receiver indicator flashes.
 Step 3:Separate the sensor quickly,it will makes a ""Ding-Ding"" sound and the receiver indicator flashes.
 Step 4:Separate the sensor again to confirm whether the current ringtone is the one you have set,if yes,the pairing is completed.

 If the door chimes can not work when you received it,please re-pair it.

 Parameters of Door Sensor: 
 Wireless transmitting distance: ≤ 80m (in open area)
 Operating Voltage: 3V DC(1* CR1632 battery) 
 Operating current: 3uA(standby), 15mA(Transmitting) 
 Installation gap: ≤ 1cm
 Working temperature: -15 ℃ ~ 60 ℃
 Working Humidity: ≤ 85%
 NOTE:
 1. For multi-transmitters: Repeat Step to register another transmitters to this receiver. Thus all of transmitters have been registered to this receiver and trigger different tune.
 2. For multi-receivers: Please set receiver one by one, to register each transmitter to each receiver.
 3. Can not install transmitter on the metal, because built-in antenna can not close to metal.
 4. Hold Music Button over 3-5 seconds, it will trigger clean pairing function
 5.The battery level will affect the signal receiving range. It is recommended to change it once every 6 months

PS: 
1. Do not install the transmitter on a metal object, because metal will affect the signal transmission of the product.
2. Most product problems can be effectively solved after re-matching product information (please contact customer service for specific steps)
🔔 58 MELODIES & 5 VOLUME: Doorbell features 58 chimes and 5 levels adjustable volume(0 dB to 110 dB) to meet your needs for different occasions. LED indicators of the doorbell chime are suitable for the elderly and hearing impaired. Remembers your last melody and volume level after a power outage; no need to reset to your previous settings.
👍 150 M/600 FT OPEN AREA RANGE: Door chime signal can easily cross through doors or walls, ensures you will never miss a visitor, even if you are a few rooms away or on another floor. Note: The battery level will affect the signal receiving range. It is recommended to change it once every 12 months.
👍 EXPANSION SYSTEM: Door/window door sensor will detect every entry and send alarm warning to the doorbell chime receiver to better protect your place. You will hear the door bell chime to remind you when someone opening your door/window or your pet coming home. Each door sensor or receiver can be expandable for business, home, apartment, classroom, office, basement and more.
👍 EASY TO INSTALL: Plug the wireless doorbell into socket, tear off the tape behind door sensor chime then paste on the door. The wireless door chime has been matched before shipment. If you need to replace music or add a transmitter, please re-match (Hold Receiver's music button over 3 seconds to 5 seconds, it will trigger clean pairing function).
✨ LIFETIME CUSTOMER SERVICE: BISTEE doorbell wireless is a brand after years of independent R&D and approved by FCC, CE, RoHS and other certificates; our customers can be provided with 30-day money-back and passionate after-sales service team from the date of purchase; can contact us at any time in case of any problem.

Search query: door chimes when door opens for business
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Search query: doorbell chime
Relevance: Exact