Eleaf iStick 60W TC Specifications: 
Dimensions: 3-1/2"L x 1-1/2"W x 1-1/8"D
510 Spring Loaded Contact Pin
Requires one high-draing 18650 battery (Sold separately)
Micro USB Charging Port (Micro USB Cable included)
Wattage: 1.0 to 60.0 W
Temperature Control: 100 Ì´Ì_F - 315 Ì´Ì_F / 200 Ì´Ì_F - 600 Ì´Ì_F
Resistance: 0.15 Ω – 3.5 Ω (Variable Wattage mode)
Resistance: 0.05 Ω - 1.0 Ω (Temperature Control mode)
Stainless Steel Firing Button
OLED Screen
Resistance Level Readout
Output Voltage Readout
Output Wattage Readout
Output Temperature Readout
Battery Life Indicator
Low Voltage Protection
Temperature Protection
Temperature Alert
Short Circuit/No Atomizer Protection