Two tools in one
Does double duty: tracks your child's height and works as a long-distance laser rangefinder with a 0.03–50m range.
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Why customers love it
Smart height tracking and precise measuring in one playful tool
The DUKA HM1 is a portable laser meter that tracks your child's growth and measures indoor distances with professional-grade precision. It pairs a friendly silicone body with one-touch operation and Bluetooth sync, so family check-ins are quick, accurate, and fun.
- Tracks kids' height and measures distances, from 0.03 to 50 meters
- Accurate to within 2mm for reliable results every time
- Syncs height data via Bluetooth to the Mijia app with automatic growth curves
- One-touch operation delivers readings in about 1 second
- Built-in rechargeable battery with USB-C charging and auto power-off
Why families and DIYers love it
2mm precision
Measures reliably to within 2mm, so height checks and indoor distances are consistently accurate.
Smart growth tracking
Syncs height data via Bluetooth to the Mijia app, which generates growth curves to show changes over time.
Fast and long-lasting
Get a reading in just 1 second with one-touch operation, powered by a built-in rechargeable USB-C battery with auto power-off.
Specs
The details that matter
- Model
- HM1
- Measurement range
- 0.03–50m
- Precision
- 2mm
- Connectivity
- Bluetooth
- Charging
- USB-C
More details
The DUKA HM1 is a versatile laser height meter designed for both kids' growth tracking and accurate distance measurement. It combines a cute, child-friendly design with professional-grade precision, making it a practical tool for families and DIY enthusiasts alike.
- Dual-function: measures kids' height and acts as a long-distance laser rangefinder, with a range of 0.03–50 meters.
- High precision: accurate to within 2mm for reliable measurements every time.
- Smart connectivity: syncs height data via Bluetooth to the Mijia app, generating growth curves to track changes over time.
- One-touch operation: place it on the child's head and get readings in just 1 second—no wall mounts or tape required.
- Portable and playful: lightweight silicone body makes it easy to carry and fun to use at home or while traveling.
- Long battery life: built-in rechargeable battery with USB-C charging and auto power-off for extended use.
Perfect for families monitoring their child's development, as well as a handy tool for quick indoor measurements.
Frequently asked questions
Everything you might want to know before you order.
How do delivery and returns work?
Shipping
Free standard shipping
To Germany: 1–3 business days processing, then 5–12 business days in transit. Estimates, not guaranteed dates.
Your dispatch email includes a tracking link. Contact us if it has not arrived within 5 business days of ordering.
Outside the EU, import duties and local taxes may be payable on delivery. See the shipping policy for supported destinations and conditions.
Returns
Request a return within 14 days of delivery. Standard eligible returns must meet the policy conditions; a €4 prepaid-label fee is deducted from the refund. Return shipping is free for faulty, damaged or incorrect items. Contact us promptly if something is wrong. Your mandatory consumer rights are unaffected.
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