wireless transmitter pt Canon.
Pixel T8.

Modulation: FSK
Communication Distance: 100m above
Communication Channel: 16
Transmitter Stand-by Time: 1000 hours
Receiver Stand-by Time: 300 hours
Battery Type: 2 * 3V AAA battery (not included)
Suitability: For Canon EOS 7D/6D/5D series/1D series/50D/40D/30D/20D/10D
Item Size: Transmitter: 8.4 * 3.2 * 1.9cm / 3.3 * 1.3 * 0.7in
Receiver: 6.2 * 3.8 * 2.8cm / 2.4 * 1.5 * 1.1in
Item Weight: 24g / 0.8oz(Transmitter); 34g / 1.2oz(Receiver)
Package Size: 7.1 * 8.7 * 4.6cm / 2.8 * 3.4 * 1.8in (L * W * H)
Package Weight: 100g / 3.5oz

Package List:
1 * Transmitter(T-8)
1 * Receiver(T-8)
1 * Shutter Connecting Cable