

ā” Stay powered, stay safeātest smarter with SYOSI!
The SYOSI Voltage Tester is a CE CAT.II300V certified non-contact and contact voltage pen designed for safe, accurate detection of AC voltages between 12V and 300V. Featuring a dual-frequency buzzer alarm, clear LCD display, built-in LED flashlight, and a handy screwdriver function, itās a compact, professional-grade tool engineered for millennial managers who demand precision and convenience on the go.








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