DM55-1 LCD Digital Voltmeter – Wall Socket Voltage Monitor
DM55-1 Digital Voltage Meter – LCD Wall Socket Voltmeter
Keep a clear eye on your home or workshop electrical supply with the DM55-1 Digital Voltage Meter. This compact, plug-in voltmeter fits directly into any standard US wall outlet and instantly displays the AC voltage on a crisp LCD screen — no wiring, no batteries, no hassle. Whether you're checking outlet consistency, monitoring power quality, or running a quick electrical inspection, this flat-profile socket monitor delivers reliable readings at a glance.
Key Features
- Instant LCD Readout: Clear 3.6 × 1.8 cm LCD screen displays live voltage readings in real time.
- Wide Compatibility: Works with AC 110V/60Hz (US standard) and AC 220V/50Hz supplies — great for travel adapters and multi-voltage environments.
- Plug-and-Read Design: Simply insert into a standard US flat-pin outlet — no tools, no installation.
- Accurate Measurements: 1.5% measuring accuracy with 2-digit resolution for dependable voltage monitoring.
- Ultra Low Power Draw: Consumes less than 1W — approximately 1 kWh per every 1,200 hours of use, so it won't noticeably impact your energy bill.
- Durable ABS Construction: Lightweight yet sturdy white ABS housing sized at just 53 × 38 × 60 mm — discreet and unobtrusive in any outlet.
- No Battery Required: Powers directly from the outlet it monitors — always ready, zero maintenance.
Specifications
| Model | DM55-1 |
| Color | White |
| Material | ABS Plastic |
| Plug Style | US (Flat Pin) |
| Measuring Accuracy | 1.5%, 2 digit |
| Power Consumption | <1W (~1 kWh per 1,200 hrs) |
| LCD Size | 3.6 × 1.8 cm |
| Product Size | 53 × 38 × 60 mm |
| Battery | Not required |
| Country of Origin | Made in Mainland China |
What's in the Box?
- 1× DM55-1 Digital Voltage Meter
Important Notes
- Due to lighting and screen differences, the item's color may appear slightly different from product images.
- Please allow ±1–10 mm variation due to manual measurement.
Electrical Safety Resource
For guidance on electrical safety in the home and workplace, visit the U.S. Consumer Product Safety Commission – Electrical Safety page.
Frequently Asked Questions
Q: Does the DM55-1 digital voltage meter require batteries or any external power source?
A: No batteries are needed. The DM55-1 voltmeter draws power directly from the wall outlet it's plugged into, consuming less than 1W — so it's always ready to display live voltage readings without any setup or maintenance.
Q: Is this voltage meter compatible with both 110V and 220V outlets?
A: Yes. The DM55-1 is designed to work with AC 110V/60Hz (standard US outlets) as well as AC 220V/50Hz supplies, making it a versatile tool for a variety of electrical environments and travel scenarios.
Q: How accurate are the voltage readings on the DM55-1 voltmeter?
A: The DM55-1 offers a measuring accuracy of 1.5% with 2-digit resolution, providing dependable and consistent voltage monitoring for home, workshop, or light commercial use.
Q: Can I leave this wall socket voltage monitor plugged in all the time?
A: Yes. With an ultra-low power consumption of under 1W (roughly 1 kWh per 1,200 hours of use), the DM55-1 is designed for continuous, long-term monitoring without meaningfully affecting your electricity consumption.