What's in the box:

1 X Universal 16 Channels Radio Wireless Remote Speedlite Flash Trigger 1 Transmitter & 2 Receivers (Standard), Standard

Features:
This set consists of a signal sender and two receiver trigger.
Globally univeral 433Mhz frequency, 16 isolated channels to suit for specific shooting environments.
Transmitting distance up to 30M, no limits with directions or angles.
Receiver trigger adopts dry battery for power supply, the highest synchronous speed can reach 1/250sec.
1/4" nut design to be connected with tripod for stable flashlight.
Receiver powered by 2 * AAA batteries(not included).
Comes with a PC sync cord for cameras without hot shoe socket.
Work with flash units using universal

Note: This trigger do not support TTL function.

Specifications:
Power of the signal transmitter: 23Amini battery(included)
Power of the receiver(AC): 2 * AAA Battery(not included)
Outdoor working distance: max. 30m / 90feet (open area, no fraise)
Indoor operating distance: max. 25m / 75feet
Channel: 16 channels
Frequency: 433Mhz
Synchronous speed: Max. 1/250sec
Color: black
Material: Metal + plastic
Package size: approx. 11.5 * 9 * 4cm / 4.5 * 3.5 * 1.6in
Package weight: 111g / 3.91oz

Package Lists:
1 * 16-channel Transmitter
2 * 16-channel Receivers
1 * PC Sync Cord(2.5mm to PC)
1 * User Manual(English)

Note:
This item only includes the trigger set and sync cord.