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KELISS
Hydro series · Model HD021

Hydro Series – HD021

Smart lock with IP66 water protection

The Hydro HD021 is a zinc alloy smart lock with IP66 protection, designed to withstand rain and splashes. It opens with IC card, fingerprint, keypad code, mechanical key or from the Tuya app, and stores up to 300 fingerprints, codes and cards in total. The touchscreen wakes on touch, a voice warning signals a low battery and the USB Type-C port provides emergency power.

  • Several unlocking methods
  • USB Type-C port and mechanical keys for opening with a flat battery
  • IP66 water protection
  • Doorbell
  • Automatic locking
  • One-time codes
  • Touchscreen that wakes on touch
  • Alarm after incorrect unlocking attempts
  • Anti-tamper alarm
  • Voice low-battery warning
  • Long-life battery

Technical specifications

Materials and finishes

Material
Zinc alloy
Colour
Black

Unlocking and access

Unlocking methods
IC card, fingerprint, keypad code, mechanical key, remote control from app
App
Tuya
Administrators
9
Memory capacity
300 (fingerprints, codes and IC cards)
Fingerprint sensor
Semiconductor
Voice guidance
Yes

Installation

Door type
All doors except glass doors
Door thickness
35 - 70mm
Lock body
3585
Lock body material
Copper

Power supply and operating conditions

Power supply
4 AA batteries
Operating temperature
-25℃ - 60℃
Operating humidity
20% - 90%RH

Packaging

Package dimensions
420 x 210 x 120mm
Package weight
3.5kg

Documents

Installation and warranty