Raeisusp 5.5x2.1 mm to 3.0x1.1 mm Spring Cable Power Supply Extension Cord Cable for Canon LP-E8 LP-E17 LP-E12 LP-E10 LP-E5 Dummy Battery 5521-3011 auspowers_batchtwo Valve stays close when the

Valve stays close when the coil is de-energized- and it opens when energized

With two 3

Magnetic End Hook

Don't use electricity

Raeisusp 5.5x2.1 mm to 3.0x1.1 mm Spring Cable Power Supply Extension Cord Cable for Canon LP-E8 LP-E17 LP-E12 LP-E10 LP-E5 Dummy Battery 5521-3011 auspowers_batchtwo Valve stays close when theRaeisusp 5. 5x2. 1 mm to 3. 0x1. 1 mm Spring Cable Power Supply Extension Cord Cable for Canon LP E8 LP E17 LP E12 LP E10 LP E5 Dummy Battery 5. 52. 1 mm Male to 3. 01. 1 mm Male Spring Cable Color: black length: 50cm, Stretching length: 120CM Maximum current: 3A Package Including: 1 x Spring Cable Compatible with: (1)"Spring Cable cable" so fits for following Canon digital cameras: Canon PowerShot S1 IS, S1IS Canon PowerShot S2 IS, S2IS Canon