The Godox V350F TTL with lithium battery is a Sony TTL-compatible hot shoe flash with a built-in 2.4Ghz receiver. Compared to the TT350, it features a lithium-ion battery (7.2/2000mAh) that offers a recycle time of 0.1s to 1.7s and over 500 flashes at full power. Full support of TTL functions, HSS (up to 1/8000sec), front and rear curtain sync, FEC, Multi flash (strobe), manual flash, remote ID setting. Guide no.36 (ISO 100 @105mm)