Features:

• Capsules fit inside the flash battery compartment to help protect lens and electronics from humidity
• Prevents damage and corrosion from harming your camera equipment
• Keeps lens from fogging up
• Fits all ReefMaster camera housings, and can also be used inside Sealife camera housing
• Dimensions: 5.9 x 5.9 x 1.6 inches (WxHxD); weighs 1.3 pounds

Editor Reviews:

Product Description:
Moisture Muncher will prevent fogging of the lens and protect the electronics from humidity. The small 1.5-gram capsules fit inside the flash battery compartment. Moisture Muncher should also be used inside the SeaLife camera housing. Moisture Muncher 1.5-gram is offered in packs of 10 (item #SL911).

Rating : - Good
The product is a little smaller than a bic pen cap. Obviously it needs to fit inside the waterproof camera case. It took me a second to figure where, but it did. Good price.