Description
Motion sensor distance: BITIWEND motion sensor alarm detects movement within a range of 16.5 ft / 4-5 m x 110°. It transmits the sensor signal to receivers within 500 ft / 150 m in the open area. If an object happens in the detection area, you will hear a bell alarm at home.
Visual & acoustic opening alarm: passage detector bell receiver has 58 melodies and 5 volumes. With a volume range of 0-110dB of volume levels, you don’t have to miss a visitor or customer. The built-in LED display provides additional support for the hearing impaired and the elderly.
Expandable home security system: each receiver of this sensor bell alarm system can use up to 20 motion sensors. Each sensor can be paired with multiple receivers. You can expand the number of transmitters and receivers as you like to protect your family. (Tips: the receiver and transmitter from BITIWEND can work together, e.g. Doorbell, window sensor.
Easy to install: after pairing, plug the receiver into the standard socket, AC power consumption of the receiver < 0.25W (standby mode), and the sensor alarm can be powered by 2 AA batteries or USB power. The working temperature ranges from -4 to 122 °F. (Please note: the sensitivity of the sensor is not adjustable and not waterproof. Please install it in a protected place to avoid rainwater ingress.)
Multi-function outdoor alarm: you can install the wireless alarm system in dangerous places such as doors, windows, hallways and backyards to avoid accidents in your family or burglaries at night; the driveway alarm can also be installed in commercial places such as offices, supermarkets, retail stores, etc. The recipient reminds you in time when guests are visiting.
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