This is the Elinchrom RX Zoom Pro HD Flash Head 3000w [20192]

The Elinchrom RX Zoom Pro HD Flash Head 3000w (20192) is compatible with all Elinchrom power packs made in or after 1981. Its Intelligent Flash Cooling system responds to the heat generated by the 300W modeling lamp and 3,000W/s flash tube by running faster at peak performance and slower at lower power, thus extending the life of both. The head derives its name from the unique focusing design that allows you to move the flash tube closer or further away from the reflector like an open face hot light for harder or softer effects or to perfectly fill the accessory in use. This head is outfitted with a user-replaceable, heavy-duty flash tube which allows you up to 50 back-to-back serial flashes before pausing briefly for cool-down. While the recycling time is determined by the pack in use, suffice it to say that the Zoom Pro can handle anything in the Elinchrom family of products. The head features a clear, protective glass dome and has a built-in 90°, reflector which is perfect for umbrellas or soft boxes. A standard, built-in Elinchrom bayonet mount gives you access to the huge array of legendary EL-Reflector and Rotalux light shaping tools.

Features:
3,000W/s Capability
50 Serial Flashes Possible
Built-in 90°, Reflector
Short Flash Durations
5,500K
110 or 230V
Intelligent Fan Cooling
16.4' Head Cable
Only 5.0 lb
Protective Glass Dome

Specification:
Maximum Watt/Seconds 3,000W/s
User Replaceable Flashtube Yes, HD (heavy-duty) quartz type
50 serial flashes possible before pausing for cool-down
Compatibility All reflectors from 1974 on and all packs from 1981 on
Changeable Reflector Yes
Circuit Protection Fuse
Cable Length 16.4' (5.0m)
Modeling Light Wattage 300W
Modeling Light On/Off Switch Yes
Protective Glass Dome Clear
Fan Cooled Yes, electronically temperature controlled
Mount 5/8'' (16mm)
Dimensions With protective cover: 9.6 x 4.1 x 8.0'' (245 x 105 x 205mm), With glass dome: 9.4 x 4.1 x 8.0'' (240 x 105 x 205mm)
Weight 5.0 lb (2.3 kg)

Kit contents:
Elinchrom RX Zoom Pro HD Flash Head 3000w (20192)
Flash Tube
Clear Glass Dome
Modeling Lamp -300 watts/120 volts
Protective Cover