TECKNET HWD01878 Wireless Doorbell Kit, 400 m Range

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Product guide

TECKNET HWD01878 Wireless Doorbell Kit, 400 m Range

The TECKNET HWD01878 wireless doorbell kit is listed with a 400 m range, two push buttons and four plug-in receivers. Its sound, light or combined alerts and multiple chime and volume settings suit homes or workplaces where alerts need to be heard in more than one room.

At a glance

Four plug-in receivers can be placed in separate rooms, with two push buttons for multiple entrances.
Choose sound, light or both, and select from 60 chime tones and five volume levels.
The listing claims an IP65 rating for the push buttons and up to 4.5 years of transmitter battery life.

Price

£32.99Save 15%

Reference price: ~~£38.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Four receivers and two buttons make the kit suitable for alerting people in different rooms or at more than one entrance.
Sound-only, light-only and combined modes offer an option for quiet periods or settings where a visual alert helps.
The listing gives 60 chime tones and five volume levels for adjusting the alert.

Technical specifications

16 specifications

Identity
Brand	TECKNET

Dimensions and installation
Dimensions listed	7.4 x 5.7 x 8.6 cm; 510 g
Weight listed	510 g

Range and controls
Wireless range claimed	400m/1300ft
Push buttons	2 push buttons
Receivers	4 receivers
Operating modes	Sound Only, Light Only, and Sound + Light
Chime melodies	60 unique chime tones
Volume levels	5 adjustable sound levels
Volume range claimed	0–120 dB
Visual alert	built-in blue LED flash
Settings memory	automatically preserves your last settings during power outages

Power and durability
Transmitter battery	CR2032 lithium battery
Transmitter battery life claimed	up to 4.5 years of continuous use
Water resistance claimed	IP65 waterproof rating
Operating temperature claimed	-4°F to 140°F

What to know before buying

Listing details to confirm

Listing details are inconsistent about power: the feature text says each transmitter uses a CR2032 battery, while the specifications say batteries are not required. The claimed 0–120 dB volume range and 400 m range are not independent measurements. Confirm the selected version's power arrangement and included parts before buying.

What’s in the box

Included

Receiver
Transmitter

Who is it for?

A good fit for

Households or workplaces that want plug-in receivers in several rooms.
Buyers who want both an audible chime and a visual alert, with a light-only mode available.
Homes with two entrances that can use two separate push buttons.

Less suited to

Buyers who need confirmed battery-free transmitters, or need independently verified range or volume performance.

TECKNET HWD01878 Wireless Doorbell Kit, 400 m Range · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 5,120 ratings

5 stars75%75%
4 stars17%17%
3 stars5%5%
2 stars1%1%
1 star2%2%

Customer feedback reports easy setup, useful operation and signal performance, including a comment that the signal worked through many walls. Volume and battery life receive mixed feedback. This is relevant because the listing claims a long range and loudness up to 120 dB, but those specifications do not guarantee the same experience in every building. The battery comments also matter given the listing's conflicting power details.

Positive themes

Customers report straightforward setup and effective operation.
Some customers praise signal performance despite walls.

Mixed feedback

Feedback on volume is mixed, with some finding it audible and others saying it is not significantly louder.
Battery-life feedback is mixed.

Frequently asked questions

How many buttons and receivers are listed?

The feature text describes two push buttons and four receivers. The included-components field names only a receiver and transmitter without quantities, so check the selected listing's kit details.

Does the transmitter need a battery?

The feature text says each transmitter uses a CR2032 lithium battery, but the specifications say batteries are not required. The listing is inconsistent, so confirm the power arrangement for the version being sold.

Can the doorbell alert with light but no sound?

Yes. The listing describes Sound Only, Light Only, and Sound + Light modes, with a blue LED flash.

How loud is the chime?

The listing claims five adjustable sound levels from 0–120 dB. Customer feedback reports mixed experiences with volume, so the stated range should not be treated as a guaranteed result in your space.