Wireless Doorbell BLOW dp-21 (model 00901) — wireless chime set, plug-in receiver

The Wireless Doorbell BLOW dp-21 is a plug-and-play chime set designed to provide reliable visitor notification for homes and small offices. The kit contains a wireless transmitter push button and a plug-in receiver that connects directly to mains power. With a compact receiver and simple installation that requires no wiring, the set delivers audible chime alerts to signal visitor presence and can be positioned where the sound is most useful.

Advantages

The wireless design eliminates the need for electrical wiring and reduces installation time, making the set convenient for renters and quick upgrades. The plug-in receiver draws power from a standard mains socket and produces clear chime sounds suitable for indoor environments. The compact transmitter is weather-resistant enough for sheltered exterior mounting and the receiver’s small footprint allows placement in living rooms, hallways or offices without occupying significant space.

Suitable for

• Residential entryways and apartments
• Small offices, reception areas and shops
• Rental properties where permanent wiring is not desired
• Temporary installations for events or short-term use

Key specifications

• System type: wireless doorbell set with separate transmitter and plug-in receiver
• Power supply: receiver connects to mains power via standard plug
• Transmitter: battery-powered push button for surface mounting
• Range: suitable for typical home and small office coverage (indoor use)
• Sound output: audible chime tones designed for indoor notification
• Form factor: compact receiver and slim transmitter housing for discreet installation

How to use

Install the transmitter near the entrance using the included mounting options and insert the battery. Plug the receiver into a convenient mains socket inside the building, within effective wireless range of the transmitter. Press the push button to test pairing and chime volume. Position the receiver where the chime can be heard throughout the intended area and adjust placement if needed for optimal coverage.

Usage recommendations

For reliable operation, mount the transmitter on a sheltered exterior surface away from direct rain. Use a central interior socket for the receiver to maximize audible coverage. Replace the transmitter battery periodically and avoid placing the receiver behind large metal objects or inside cabinets that may reduce wireless range.