Will this work through drywall?

I just tried a few walls near light switches where I knew there was elec wires with switches on. The meter would register about "1 line high" near the wires BUT it would also cause the meter to blink the same on places on the wall where there was absolutely no elec wires! I did the test both using the regular setting and also the Supper Sensitive setting. So MAYBE it MIGHT give you some idea where the wires are, but doubtful since there are to many false readings to be sure. That said, this meter works great if you are taking readings without sheetrock blocking it.

would you recommend this over other models and why? what do you NOT like about it? how accurate is it?

I like that it is louder than others, equally easy to use, and the price was good

Ht100s Voltage Tester | Desertcart UK

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Description

⚡ Stay ahead of electrical risks with smart, safe, and sleek voltage testing!

SAFETY FIRST ALERTS - Multi-sensory alarms with red LED and buzzer frequency escalate with voltage intensity for instant hazard awareness.
WORK ANYWHERE ANYTIME - Integrated LED flashlight and automatic power-off ensure reliable performance in dim or busy environments.
NON CONTACT CONVENIENCE - Effortlessly identify live and null wires without direct contact—perfect for quick, safe diagnostics.
POCKET READY PORTABILITY - Slim, pen-sized design with clip fits your professional toolkit or shirt pocket for on-the-go testing.
PRECISION VOLTAGE DETECTION - Dual-range sensitivity (12V-1000V AC) adapts seamlessly from delicate electronics to heavy-duty wiring.

The KAIWEETS HT100 Voltage Tester is a professional-grade, non-contact electrical tester featuring dual-range voltage detection from 12V to 1000V AC. It combines advanced safety alerts—visual red/green LED indicators and variable-frequency buzzer alarms—with a compact, pen-sized design that includes a bright LED flashlight for low-light conditions. Certified to IEC CAT III 1000V and CAT IV 600V standards, this tester ensures reliable, precise, and safe voltage diagnostics for electricians and savvy homeowners alike.

Specifications

ASIN	B0C2CNC624
Best Sellers Rank	797 in DIY & Tools ( See Top 100 in DIY & Tools ) 1 in Voltage Testers
Brand	KAIWEETS
Colour	Red and Black
Country Of Origin	China
Customer Reviews	4.5 4.5 out of 5 stars (4,667)
Included Components	User manual, 2*AAA batteries
Item Dimensions	15 x 2 x 2 centimetres
Item Weight	80 Grams
Manufacturer	KAIWEETS
Manufacturer Part Number	HT100s
Maximum Operating Voltage	1000 Volts
Measurement Type	Voltage Tester
Minimum Operating Voltage	12 Volts
Model Number	HT100s
Power Source	Battery Powered
Specification Met	CE
Style Name	Compact
Upper Temperature Rating	40 Degrees Celsius

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