1 light control (light sensor), the light turn on in the evening and turn off in the morning by auto 2 moq:1 ... Type of Killer Chemical freeAdvantage 1,light control: Auto-charge at daytime by solar 2,Time Control:you can Set up the time ... unpolluted farm products of good quality with better market prospect 2. Application scope:a) Agriculture, forestry, vegetable, tobacco, warehousing, wine brewing ...