This is the genuine Joyetech battery MOD switch for the 18650 tube with "eGo-T" "Joyetech" logo and laser branding in the bottom steel plate. Black only

Use standard eGo cones with this mod.
The switch is the 5 click off/on style with a white LED and 10-second cut-off time.
Switch is sliver.
This kit includes one switch, one tube, two 18650 HD batteries, one single place charger, and one ego vision clearomizer. Choose from black, titanium, or green tube. DOA WARRANTY on the tube mod. Be careful putting the switch on the tube. It is easy to cross thread the tube. Some protected 18650 batteries could be too long for the tube. The 18650 high drains on the site fit fine. This is a great mod with unbelievable battery life. 

The biggest improvement of eGo-T 2 upgrade control unit: it has two modes to switch. One is the constant voltage output mode which gives constant 3.3V(when it's driving the atomizer (load added)) and is the same as the normal eGo-T battery. The other is variable voltage output mode, in this mode, the voltage will change from 4.15V to 3.6V as the lithium battery power decrease. With higher voltage up to 4.15V, this give you a better vapor feeling. Meanwhile, it is easier to switch, check below:
Switching operation and features:
1. From constant voltage output mode to new battery voltage voltage output:
1.1 When the mode is 3.3v constant output mode, lock the battery by 5 clicks first(white LED blinks 3 times).
1.2 By pressing button for 5 seconds(not 5 clicks), LED will change to orange with 3 blinks. The battery has switched to variable voltage output mode(battery voltage output mode).
1.3 Then click the button for 5 times, then you can smoke in battery voltage output.
1.4 In new battery voltage output mode, the LED is orange.
1.5 When charging, orange LED will blink 5 times in this new mode.
2. From new battery voltage output to constant voltage output mode:
2.1 In new battery voltage output mode, lock the battery by 5 clicks first(orange LED blinks 3 times).
2.2 By pressing button for 5 seconds(not 5 clicks), LED will change to white with 3 blinks. And the mode has switched to 3.3V constant voltage output mode.
2.3 Then click the button for 5 times, then you can smoke in 3.3V constant voltage.
2.4 In 3.3V constant voltage, the battery features has no difference from present eGo-T battery.
2.5 When charging, white LED blinks 5 times in this new mode.