You want to know about cannabis dryer?I'll show you some popular products:
ECO Farm Electric Medicinal Plants Dryer Machine
ECO Farm dehydrator's heating element, fans, and vents simultaneously work to remove moisture from indoor growing plants. A dehydrator's heating element warms the food causing its moisture to be released from its interior. The appliance's fan then blows the warm, moist air out of the appliance via the air vents. This process continues for hours until the plant is dried to substantially lower water content. Adjustable thermostat from 95-to-160 degrees Fahrenheit (F); Built-in fan is designed to promote drying evenly without overheating, and the adjustable thermostat ensures that foods are dehydrated at their optimal temperature. Dehydrates indoor growing plants for enhanced preservation: 5 stackable tray for flexible and easy plant removal, cleaning and increased airflow around your food for a more even and rapid dehydration. Easy to see the inner details: The clear lid allows for easy viewing and observing The ECO Farm dryer provides a controlled drying environment, meaning your indoor growing plant is perfectly dried in less time than it takes to hang dry. All while retaining potency, terpenes, and flavor.

Fill tray, leaving no space between buds for the maximum capacity. Repeat with up to 5 trays per dryer unit. Place lid on top. Turn on the unit. Use the lowest Temp for about 72 hours.
ECO Farm Household Dryer 5 Layers Dehydrator
The easy to use ECO Farm dryer is made specifically for drying your medicinal plants consistently every time. The low pre-set temperature and multi-directional airflow allows for high-quality drying while retaining your plants potency, aromatics, and flavor. Simply trim your hydroponic or soil grown plants then place them in the trays, filling each tray to capacity to allow for maximum drying efficiency. Once the dryer is on, it will default to a 96-hour dry time. You can easily adjust the time to account for your environment. ECO Farm plant dryer provides a controlled drying environment, meaning your plants are perfectly dried in less time than it takes to hang dry. All while saving you valuable space and time, plus retaining your plants potency, aromatics, and flavor.

An adjustable thermostat from 95-to-155 degrees F lets different foods dry at the proper temperature. It's a 350 watts unit. Flavors don't mix; no need to rotate trays; opaque exterior blocks harmful lights. Fast, dry food in hours, not days. Easy way to make delicious, healthful, and natural products.
You may be interested in the following two products:
ECO Farm Medicinal Plants Dryer Machine For Household
Dryer Portable Leaf Dryer Machine
If you want to learn more:cannabis dryer/herb dryer/weed dryer