This is a listing for a strobe set. The following items are included: ・MONOSTAR X4 (with frost outer bubble) ・SUNSTAR STROBO Freqsync Transmitter and Receiver Set The strobes were purchased 10 years ago, but were only used about once every two years. They are in good condition. I have included the color temperature data for 1/1 and 1/16 output for your reference. 【MONOSTAR X4】 Maximum Output: 400w.s Number of Lamps Used: Integrated power supply and flash unit Dimming Method: ▶1/3EV step voltage dimming : FULL (400w.s) ~ 1/64 (6w.s) Charge Time: 2.3 seconds (60Hz) Charging Sound Monitor: 3 modes (charging sound, single tone when complete, OFF) Slave Circuit: Built-in (with ON-OFF switch) Non-Flash Warning Circuit: Displayed via sound/LED Overheat Warning Circuit: Displayed via sound/LED Cooling Fan: Built-in Input Voltage: AC100V (±5%) Sync Voltage: DC12V AC Input Socket: Square 3P/DIN standard AC Primary Peak Current: 5A Fuse Rating: Mini 10A Dimensions (D x W x H) mm: 240x110x140 Weight (kg): 1.6kg MONOSTAR X4 JAN Code 4562230860503 Product Code #01100 145,950 yen (139,000 yen excluding tax) "Accessories" AC cord, sync cord straight 5M, spare fuses x3 【Main Features of Freqsync】 ・Wireless strobe sync system using 2.4GHz frequency ・Stable operating distance: 80m / Maximum operating distance: 180m ・Supports shutter speeds up to 1/250 second ・ Equipped with 16 channels ・Can sync up to 8 frames per second ・Compatible with clip-on strobes via hot shoe ・Automatic power-off function after 1.5 hours of inactivity #sunstar #sunstar #monoblock #strobe