Specification:Brand: Winmartdesign ChinaMaterial: ABSSize: 170*80*85cmColor: WhiteFeature:No batteries, no solar power, 100% powered solely by the plant itselfJust regularly water the plant, keep the plant live and the plant will keep your clock onBy using two kinds of different active metal, through the plant of wet soil as the carrier, mini power station can produce a power to start the clock.Enjoy the eco-freindly system and DIY fun.Package included:1 X Plant Pot2 X Pack of Seeds(Black malts and bean sprouts)1 X Nutrient SoilTips:1. Seed growth condition: temperature(≥15℃), humidity(≥50%)2. If the LCD screen is dim, please water the plant, or wipe the silver metal strip by using abrasive paper.Notice:1. The item only a simple clock function, not alarm clock function.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please consider this before the purchase.3. Please allow 1-2cm differs due to manual measurement!