This log book is great way to track specifics of your next dive! Features include: Can chart up to 30 dives The dive log charts include, dive number, date, depth, visibility, location, time in and out, etc Equipment list Dive map and note pages Personal and emergency contact information Traveler&';s checklist Model #BK52 AUTHORIZED DEALER, FULL MANUFACTURER'S WARRANTY!!! Keep all of your dive information in one place with this dive log from Trident.