Godox TT685N camera flash with TTL function. Purchased on Amazon in August 2018 and used only once at a wedding, it has been stored at home since then. Operation has been confirmed with a Nikon D3000. Batteries are not included. Please purchase only if you understand that this is a used item. Model Name: TT685N - Brand: Godox - Accessories: Carrying pouch, instruction manual, TARION flash diffuser, mini stand - Functions: TTL, Master & Slave function - Color: Black The following is the product description from Amazon: ◯ This product has a flash index of 60m at ISO100. It supports multiple flash modes such as I-TTL automatic/manual/RPT strobe flash. ◯ Supports high-speed sync, front-curtain sync, and rear-curtain sync, with a maximum shutter sync of up to 1/8000S. Supports 2.4G wireless radio system, with a 2.4G wireless trigger distance of up to 100m. ◯ Supports A/B/C groups with multiple flash groups. It has a sync port and a USB port, and is very convenient during operation with an LCD display. ◯ Supports optical transmission, and as a master device, it can control other speedlights, such as Nikon SB-900 and SB-910 via light pulse signals. As a slave unit, it can receive signals from SB-900 and SB-910, and internal flash orders from D100/D7000/D800, etc. Set contents: GODOX TT685C flash speedlight x 1, mini stand x 1, flash diffuser, instruction manual (English) x 1 ◯ Compatible cameras: Nikon D800 D700 D7100 D7000 D5200 D5100 D5000 D300 D300S D3200 D3100 D3000 D200 D70S D810 D610 D90 Thank you for viewing.