User manual for the Canon HF-DC2 High-Power Flash contain basic instructions that need to be followed during installation and operation. Canon HF-DC2 Flash + Bresser TR-1 5 in 1 Reflection Screen 110cm Round HF-DC2; CR123A battery; Wide Angle Diffuser; Mounting bracket; Case; User manual.Canon HF-DC2 High Power Wireless Flash for Canon PowerShot Digital Cameras - CR-123A Lithium Battery - Carry Pouch - Flash Bracket - User Manual Download Canon HF-DC2 users manuals · Download the user manuals for HF-DC2 · Useful files and SOFTWARE HF-DC2 · Specifications HF-DC2 Buy Canon HF-DC2 High-Power Flash featuring For PowerShot Series Cameras, Guide Number: 59' at ISO 100 and 24mm, Coverage: 24mm (Full Frame), Wireless Slave In the G7X manual, the HF-DC2 flash is mentioned as beeing an accessory. But I cannot find a lot of information about it. HF-DC2. Case. Waterproof Case. WP-DC47. * Also available for purchase separately. Use of genuine Canon accessories is recommended.