JZK 21V 2A 42W Power Supply Charger Replacement AC to DC Power Supply with Charging Cable and Indicator Light electronics_best_sellers_May2024 Mechanical thermometer reads instantly and

Mechanical thermometer reads instantly and no batteries required

The diamond flat file can be used on multiple situations

-4 Auxiliary Function wires as Antenna Power

7Ft Retractable Cables and 4 Electronic Ports

JZK 21V 2A 42W Power Supply Charger Replacement AC to DC Power Supply with Charging Cable and Indicator Light electronics_best_sellers_May2024 Mechanical thermometer reads instantly andJZK 21V 2A 42W Power Supply Charger Replacement AC to DC Power Supply with Charging Cable and Indicator Light Package includes: 1 piece 21V 42W 2A AC DC power plug Input: AC 100 240V 50 60Hz Output: DC 21V 2A (2000mA) Max 42W DC Plug Size: 5. 5mm x 2. 5mm Cable length: 86 cm. The replacement power adapter has an indicator light that changes when power flows. It also has overvoltage protection, short circuit protection and over current protection to