4-in-1 DEF Antifreeze Coolant Refractometer for Automobile Antifreeze System, Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid sold2025 0 & LED Backlit Wireless

0 & LED Backlit Wireless Bluetooth FM Radio Adapter Music Player/Car Kit with Hands-Free Calls

It is rechargeable and no batteries are required

time lapse exposure (support using interval timer and long exposure simultaneously) and repeat timer schedule interval time

7-7 inches smartphone or small tablet

About service:Durable and Long Lasting

4-in-1 DEF Antifreeze Coolant Refractometer for Automobile Antifreeze System, Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid sold2025 0 & LED Backlit Wireless4 in 1 DEF Antifreeze Coolant Refractometer for Automobile Antifreeze System, Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid Product Features Function 1: Measuring freezing point of automobile antifreeze based on ethylene glycol or propylene glycol. Measuring Range: 50 to 0 C. Function 2: Measuring specific gravity of battery acid and provide a quick reference of battery charge condition. Measuring Range: 1. 10 to 1. 40 kg l Function