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Dahua Technology Releases 2025 ESG Report: Advancing Sustainable Development Through Digital Intelligence

2026-04-29

Dahua Technology Releases 2025 ESG Report: Advancing Sustainable Development Through Digital Intelligence

DS3BB

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Chime
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DS3BB

Wireless Chime

Key Points
    • Multi-Doorbell Support
    • 100m Long-Range Wireless
    • Offline Chime
    • Easy-pairing
    • Available with EU/UK/US/ Plugs
    • Customize Ringtones & Volume
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Datasheet

Specifications

Audio

Built-in Speaker

Built-in Speaker

Power

Power Supply

100V-240V AC, 50/60 Hz

Power Consumpton

<3W

Wireless

Carrier Frequency

868.0 MHz–868.6 MHz

Transmitter Power (EIRP)

Limit 25 mW

Communication Mechanism

One-way

Communication Distance

Up to 100 m (328 ft) in an open space

Structure

Appearance Color

Black Plastic

Net Weight

0.08 kg (0.18 lb)

Casing Material

Plastic

Product Dimensions

Bare machine: 75 mm × 74 mm × 33 mm (2.95"" ×
2.91""× 1.30"") (L × W × H)

Environment

Operatng Temperature

–10 °C to +50 °C (14 °F to +122 °F)

Operatng Humidity

20%–95% (RH), non-condensing

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