Zamel Flood Sensor with Optical and Acoustic Signaling

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Product details

The EXTA LIFE RCZ-21 is a wireless water detector specifically designed to detect conductive liquids. This reliable home protection device provides early warning of potential water damage by being placed in vulnerable areas such as basements, laundry rooms, or near water heaters. The sensor utilizes conductivity-based detection technology, triggering both optical and acoustic signals to immediately alert homeowners when liquid is detected. With a compact design and weighing only 120 g, the water detector is easy to install and requires no special tools. The enhanced wireless communication technology ensures reliable signal transmission between the sensor and compatible receivers or smart home systems. The durable housing guarantees long-term performance, even in moisture-prone areas.

  • Conductivity-based detection technology for precise alerts
  • Optical and acoustic signals for immediate notification
  • Enhanced wireless communication for reliable signal transmission
  • Compact design for flexible installation in vulnerable areas.

Key specifications

Danger detector type
Water leak detector
Alarm signal
Acoustic warningOptical warning signal
Power supply
Battery operated
Transmission type
FunkWireless

General information

Item number
62497684
Manufacturer
Zamel
Category
Hazard detectors
Release date
30.9.2025

Colour

Exact colour description
White
Colour
White

Material

Material group
Plastic

Hazard detector properties

Danger detector type
Water leak detector
Alarm signal
Acoustic warningOptical warning signal
Application range
Indoor
Additional properties
Acoustic signalLow battery warning

Power supply

Power supply
Battery operated

Smart home features

Smart home
Compatible
Requires Smart Home Hub
Does not require a hub
Transmission type
FunkWireless
Control type
App ControlManual

Scope of delivery

Scope of delivery
Mounting accessoriesStandard manufacturer documentation

Product dimensions

Width
6.20 cm
Height
8.50 cm
Weight
120 g

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Hazard detectors» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Zamel
    Not enough data
  • 1.Elro
    0 %
  • 1.Emos
    0 %
  • 1.Kidde
    0 %
  • 1.OPO
    0 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Zamel
    Not enough data
  • 1.Abus
    0 days
  • 1.Aqara
    0 days
  • 1.Brennenstuhl
    0 days
  • 1.Ei Electronics
    0 days

Return rate

How often is a product of this brand in the «Hazard detectors» category returned?

Source: Digitec Galaxus
  • Zamel
    Not enough data
  • 1.Elro
    0 %
  • 1.Emos
    0 %
  • 1.Flamestop
    0 %
  • 1.Hikvision
    0 %
Source: Digitec Galaxus