Door Chime, Wireless Door Alarm Sensor with 400ft Range 52 Chimes Adjustable Volume Mute Mode LED Indicators – Door Ringer for Opening – Door Open Alert for Home/Business/Office/Store
Brand: SECRUI
Color: White
Secrui wireless door open chime is priced affordably to protect every entryway in your home.
With its simple peel and stick installation, compact design and loud alarm, the Mini door entry
alarm with chime is an effective solution to home security.
Magnetically triggered alarm to guard your entry ways
Simple peel and stick installation
Select alarm or chime
Loud 100dB alarm
Alarm/chime sounds when the protected door or window is opened
1x 23A 12V alkaline battery (included)

Parameters of Doorbell Receiver:
52 tones optional
Colorful LED indicator
Standby current :<3mA Working current:<11mA
Volume Range: 0~110dB
Radio frequency:433MHz
Receiver Size: 4.5x2.3x1.7in
Working Voltage: 110V~240V,50-60Hz AC
Operation range:400ft (in open area)

Parameters of Door Sensor:
Non-waterproof
Working Humidity: ≤ 85%
Door sensor Size: 3.0x1.0x0.60in
Working temperature: -4°F~122°F
Working range: 400 ft (in open area)
Expandable door sensors: < up to 40
Working current: 3uA(standby), 15mA(Transmitting)

Tip: Ensure the distance between door sensor and magnet part not exceed 0.4inch.
If you still have questions about the door sensor chime for business/home secruity , please contact
with our customer service team to get more information .

Package:
1* Secrui Doorbell Receiver
1 *Secrui Magnetic Door Sensor(battery -included)
1 * User Manual
*【Wide Working Range】:This wireless door open chime for home is up to 400 ft in open area, magnetic door sensor will automatically trigger the receiver when the magnetic strip is separated and the receiver will alerts immediately whenever the door or window is opened
*【24/7 Lifeguard for Your Family】: This child/ home door sensor alerts when burglar opens door and helps deter break-ins(entry alert chime activates when magnetic sensor separates)
*【Mini Contact Sensor】: Magnetic door sensor (Size:3.0x1.0x0.60ininch),magnetic strip (Size:1.7*0.6*0.4 inch).They are small size and can be installed or placed at any indoor position to provide you with a door entry chime/alert system.
*【52 Music with Mute to Loud dB】:5 levels of adjustable volume from 0-110 dB.Offer 52 elegant music from the traditional"Ding Dong" to various well know chimes.Memory function: Keep the previous setted tune after re-plugging it
*【Easy to install】:Just plug the doorbell receiver into any standard outlet and tear the double- sided adhesive tape which on the back of door sensor( or screw mounted) and stick them to the door or window is fine,please take the insulating paper away before using the sensor.