Package included: 1. Timer clock x1 2. Chemical bottle x3 (color in black or white, send in random.) 3. changing bag x1 4. Rubber gloves x3 5. Film canister opener x1 6. 120 135 developing tank with 2 spiral reels x1 7. 1000ml plastic measuring cup x2 8. 50ml plastic measuring cylinder x1 9. 25ml plastic measuring cylinder x1 10. Thermometer stirrer x1 11. 10x loupe magnifier | The developing tank and spirals can be accommodated the 2 rolls of 135/35mm films at a time or 1 roll of 120 film, made of unbreakable plastic, the spiral reels compatible with Paterson and other tanks on the market. | The timer clock have 3 independent channels can be started independently or simultaneously, clock in HR/MIN/SEC, AM/PM format. timer not include battery | The chemical bottle have wide bottle mouth, suitable for all photographic chemicals including developer, stopper and fixer. The 10x magnifier loupe, it's more clear, high contrast, and let you see more details. | Note: Thermometer not include battery. these darkroom kit suitable for photography foundation buyer but it also suitable for beginner if you don't know how to use these darkroom kit please contact us, we will do my best to help you, we already equip correspond instruction for developing tank.