Multi-functional device designed for both DIY starters and advanced users, Coilmaster 521 tab insure you not building a dangerous coils for the mod you are using.  

Features 

• Ohm meter 
• Voltage meter for Mec.
• MOD/Regulated MOD
• Coil rebuilding deck
• Coil burning
• Table MOD
• Reverse battery protection  

Specifications

• Resistance Measuring Range: 0.01 – 9.99 ohm
• Voltage Measuring Range: 0.3 – 9.99 Volt
• Resistance rate: As low to 0.2 ohm 
• Connection : 510 threaded with spring loaded pin 
• Charging: 4.5V/ 750mah Micro-USB Charging input 
• Battery: Lithium 18650, 3.7V (Batteries are not included in the product)  
• General specifications  
• Dimension : 49.5mm x 84.5mm x 69.5mm
• Weight : 190g
• Housing material: ABS  

Function Selector :

I – Turn on Resistance and Voltage meter, Flashing ring light O

– Power Off II – Burning mode, lamp on  

Package Contents:  1.Coil Master 521 Tab x 1 2.Voltage meter x 1 3.USB charger x 1 4.alligator clips x 1 5.Coil Master 521 Tab Instruction x 1 6.Coil Master Security Card x 1