Product description: CDN Waterproof Timer is an essential accessory because timing is so critical for maintaining quality in all brewed coffee and espresso drinks. Timers can monitor brew time and serve time on coffee brewers. They can also be used for espresso extraction timing, grind adjustment and quality assurance. Freshness timers ensure the quality even more. The CDN Waterproof Timer is also shatterproof and has the additional features of a loud alarm and a bi...