What's in the box:

Andoer Universal AC-04 4 Channels Wireless Radio Studio Flash Trigger Set for Strobe (Standard)

Features:
4 Channels, anti-interference.
Suit for Canon Nikon Sony DSLR camera with single-point hot shoe.
With cable connect camera and transmitter, even your camera without hotshoe, you can use the trigger.
With 3.5mm to 6.5mm adapter, convenient for your choose.
The highest synchronous speed can reach 1/250 sec.
Maximum Working Distance: 30m (open area, without interference).

Specifications:
Power:
- Transmitter Power: 23A / 12V battery
- Receiver Power: 110-220V AC
Channel: 4
Working Distance: 30m (open area, without interference)
Synchronous speed: 1/250 sec
Package size: 17 * 12 * 3.5cm / 6.7 * 4.7 * 1.4in
Package weight: 135g / 4.75oz

Package List:
1 * Transmitter
1 * Receiver
1 * Adapter(3.5mm turn 6.35mm)
1 * Cable(connect camera with transmitter)