KeyFeatures.

• Wireless Slave TTL Flash for Close-Ups

• Guide Number: 16'

• Power Ratio: 1/128 - 1/1

• Recycling Time: 0.01 to 1.7 Seconds

• Operates on 2.4 GHz Frequencies

• Filter Holder and Filter Set Included

• Built-In Rechargeable Lithium Battery

• 500 Full-Power Flashes on Full Charge

• USB Type-C Port for Charging

• Optional Mounting Ring