Specifications:
-Size: 83mm*61mm*24mm
-Resistance Measuring Range: 0.01 – 9.9Ω
-Lowest resistance rate: 0.1Ω
-Connection: Spring loaded 510 pin
-Battery: Lithium 18650, 3.7V (Batteries are not included in the product)

Features:
-Smaller in size
-Battery level indicator on screen
-USB port for re-charging
-Low-voltage protection
-Short circuit protection
-Breaker protection
-Low resistance

Package includes:
1x GeekVape 521-tab mini