The Meike MK-RC7 Wireless Remote Trigger is an inexpensive but high quality radio trigger that works both as a flash trigger or a remote shutter release. The build quality is good and the chassis of these devices are even rubberized.

Major Features:

2.4GHZ FSK Technology (less prone to interference)
Transmitter has a lock function
Both transmitter (TX) and receiver (RX) uses AAA batteries (2 each)
Easy access dip switches
16 channels
Maximum sync speed of 1/250
100m open line of sight range
Features both a "Bulb" and "Delay" mode for remote shutter release
Visible indicator lights
Rubberized solid constructed chassis
Transmitter has a PC sync port
Receiver acts also as a remote camera shutter release receiver with the Transmitter (TX) ability to half-press (focus)
Receiver features a plastic cold shoe with standard 1/4 tripod mount
Receiver has a cable port (for connecting to studio lights or, with an optional cable, to a camera shutter sync port)

Package includes:

1 unit Radio Trigger (TX)
1 unit Radio Receiver (RX)
1 pc sync cable
1 pc baby to mono plug adapter
4 x AAA batteries
User Manual