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Demonstration of Goods

See the device work before it ships

A live product demonstration of the NoirsBoxes MD-905 and MD-903 handheld charging & cable analyzers — every reading the device reports is shown on its own 3-inch color screen.

MD-905 MD-903 USB-C · Type-A · Lightning Real-time
NoirsBoxes MD-905
01

What the device demonstrates

During charging, the MD-905 measures and displays the following values in real time.

MD-905 Charging Analysis interface
Voltage
V
Live output voltage
Current
A
Live current
Power
W
Live power
Temperature
°C
Live temperature
Data lines & protocol trigger
Reads D+ / D− handshake voltages and can actively trigger fast-charge protocols to verify a charger's real output.
D+D−PD DecoyQC Decoy
Cable & port detection
On-site checking of Type-A, Type-C and Lightning cables — the core use the product is demonstrated for.
The screen shows the device's Charging Analysis interface (sample layout); actual values are displayed live when a charger and cable are connected.
02

The product, shown from every side

Two models, same platform.

MD-905 front
MD-905
Black · front & screen
MD-905 full unit
MD-905
Black · full unit
MD-903 red
MD-903
Red · front & menu screen
03

Specifications on demonstration

ModelMD-905 · MD-903
Display3" WQVGA TFT · 240 × 400
ProcessorARM Cortex-M4
Battery1020 mAh Li-ion · 3.7 V
InterfacesUSB-C · USB Type-A · Lightning
Live readingsVoltage · Current · Power · Temp · D+ / D−
Protocol triggerPD Decoy · QC Decoy
Dimensions11 × 15.7 × 1.8 cm
WeightMD-905 121.5 g · MD-903 115 g
FirmwareOTA — online test & upgrade
04

How the demonstration runs

STEP 01

Connect the cable

Plug the charger and cable under test into the device's Type-A / Type-C / Lightning ports.

STEP 02

Read the live session

The color screen shows voltage, current, power and temperature in real time.

STEP 03

Verify & trust

Demonstrate real-time device performance on-site to gain customer trust and reduce disputes.