2" x 5" NFT Channel with Removable Cover hydroponics the battery symbol on the

the  battery symbol on the LCD blinks to indicate a low battery condition

60 minutes or disabled Battery Type/Life CR2032 lithium ion battery (included) / approximately 800 hours of continuous use Environment 0 to 50°C (32 to 122°F)

the other for calibration

01 resolution and an accuracy of +/-0

2" x 5" NFT Channel with Removable Cover hydroponics the battery symbol on theRemovable cover design, ease of maintenance 2 inch x 5 inch x 4ft Comes with 8 holes (47mm) End cap available here End cap with outlet available here Available in 4ft and 5ft length Nutrient film technique (NFT) is a hydroponic technique wherein a very shallow stream of water containing all the dissolved nutrients required for plant growth is recirculated past the bare roots of plants in a watertight gully, also known as channels.