WS-1 Features: -WaterStik.-Advanced measuring technology.-Accu-lite technology.-Measures over-watering.-Insta-read technology.-Depth gauge.-Removable top.-User-interactive packaging. Color/Finish: -Multi-colored led instantly tells the status of plant. Specifications: -Runs on two 1.5 volt button cell batteries. Dimensions: -Overall dimensions: 9.45" H x 3.7" W x 0.5" D.