Specification :

With the wireless remote control, you can adjust the focus, trigger the camera' s shutter release from a long distance
Compatiable Models: 1.Canon EOS 550D 500D 450 400D 350D 300D EOS1000D EOS 30 33 50 300 powershot G10 G11
2, pentax k7 k10 k20 k100 k200
3, samsung gx-1l gx-1s gx-10 gx-20
4, contax 645 n1 nx n digital
The package is consisting of two parts, one transmitter and one receiver.
Remote control mode: RF2.4GHz, automatic adjusting frequency, can make sure no interference with 64 remote controls in a room, it is 4 times of the 16 channel models.
Transmitter: Length 85mm Width36mm Thickness 15mm
Receiver: Length 50 Width 40mmhickness 30
Battery we use: Transmitter, 23A 12V can be stand by for a year and trigger 20, 000 times.Receiver CR2 Li battery can stand by 1000 hours.
Remote control distance: 100meter( no blocks in front)
Total weight( with battery) : 80g

Advantages:
1) Nice Shape
Right now, we have two colors transmitter, black and white.
2) Automatic ajusting frequnency
It does not need adjusting by hand before using, because it can adjust itself.
3) Long distance
100 meters in open space.
4) It can control one photography, continuous photography, B door function, 3 seconds Time-Lapse Photography.The receiver can work independently to adjust foucus, shutter and bulb, even no battery inside.
5) Transmitter has light signal indicator, it show is yellow when adjusting the focus, red when setting shutter or Bulb.Receiver is much more convienent, it has independent power on/ off button, two indicator lights: one is red when power on, the other will light on when the receiver gets signal.
6) Flexible connecting cable
The connecting cable is high end PU material, it is only 50 cm in normal, but 150 cm when it is spead.

How to use it

1. Half-press the transmitter' s little button for auto-focus ( the LED on both transmitter and receiver turns green) , then press it completely for taking picture ( the LED turns red) .
2. Bulb shutter, setting you camera to Bulb mode, and long press the transmitter' s little button, bulb starts since the LED turns red, repress when the long-exposure is completed.
3. Press the tansmitter’ s big button for Time-Lapse Photography ( the LED turns red) .
4. If the receiver has no power, Half-press the receiver' s big button for auto-focus ( the LED turns green) , then press it completely for taking picture ( the LED turns red) .