This is the Elinchrom D-Lite RX4 Flash Single Head 400w [20487.1]

Note: Images may present flash equipment with reflectors or accessories which are not part of the product sales configuration

The Elinchrom RX4 Flash Single Head 400w (20487) raises the bar on the capabilities of a lightweight, portable strobe. The auto-sensing, multi-voltage flash D-Lite RX 4 recognizes any AC power source from 90-260VAC, allowing power variability over 5.0 stops in 1/10 stop increments. Recycling is a lightning-fast 0.35-1.6 sec. (115V) with flash durations as short as an action-stopping 1/800 sec at full power. But that's just the beginning. The D-Lite 400W/s RX 4 is packed with professional and convenience features usually found in flash heads twice its price. Forget about tripping over PC cords. Although this head accepts one it also has a built-in EL-Skyport Receiver with eight frequency channels that can handle four distinct groups of flashes.

Separate purchase of the EL Skyport ELS Speed Transmitter not only allows you to trigger your flash at distances up to 393' but gives you control of power on/off, modeling light functions and Speed Sync activation. Free software for Mac and PC computers is available, providing additional features such as Flash-Delay for strobing effects. Add an optional Wi-Fi module to the transmitter and you can use specially designed apps that allow full remote control via your for iPhone, iPad or iPod Touch. D-Lite 400W/s RX 4's bayonet mount accepts all Elinchrom accessories and softboxes up to 53'' (135cm). It comes with a power cord with a U.S. plug, sync cord, flash tube and protective cap. The included 120V 100W modeling lamp must be swapped out when using the unit in nominal 230V electrical environments.

Features:
Built-in Skyport Wireless Receiver
Multi-voltage Monolight: 90-260VAC
Recycling: 0.35-1.6 Sec. (115V)
Flash Duration: 1/800 Sec (Full Power)
5 Stop Power Variability in 1/10 Stops
Pre-Flash Detector
Fan-Cooled, Auto Dump
Optional iPhone, iPad, iPod Touch Apps
Accepts 7-8mm Umbrella Shafts
Firmware Update Options

Specification:
Maximum Watt/Seconds 400
Flash Variability 5.0 Stops in 1/10th stop increments (25 -400W/s)
Recycle Time @ 230V: 0.35 -1.2 sec. @ 115V: 0.35 -1.6 sec
Flash Duration 1/800 Sec.
Voltage Stabilization 0.5%
Auto Dump Yes
Power Requirements Multi voltage, 90-260VAC
Modeling Light Wattage 100W
Control: Proportional, Low, Full, Off
User Replaceable Flashtube Yes
Umbrella Mount Centred tub, for EL-umbrellas 7.0mm diameter, Extra fitting on bracket for larger sized shafts
Sync Voltage 5.0V Compatibility with digital cameras
Power Consumption 115VAC, 60Hz: No flash/recycling 160W/850VA, 230VAC, 50Hz: No flash/recycling 140W/1,200VA
Triggering Synch cord (3.5mm), optical slave
Integrated Receiver, 4 groups, 8 frequencies
Receiver range: 164' (50 m)indoors, 393' (120 m) outdoors
Changeable Reflector Yes
Flash Ready Indicator Audible, visual
Fan Cooled Yes
Dimensions 10.2 x 7.5 x 5.5'' (26 x 19 x 14cm)
Weight 3.3 lb (1.5 kg)