Here’s a concise English product description for your self-produced screwdriver-type test pen:
"Screwdriver Test Pen – Reliable, Direct-from-Factory Electrical Contact Tool"
Key Features:
Dual-function: Combines voltage detection (+12-250V) with a flathead screwdriver.
Durable: Insulated casing, precision-tipped blade for safe electrical work.
Direct Supply: Factory-produced, ensuring quality and affordability.
LED Indicator: Clear voltage detection with bright visual alert.
Ideal for: Electricians, DIYers, and technicians needing a compact, trustworthy tool.
(Adjust voltage range/features as needed to match your specs.)