1、The built-in battery can store the power and maintain the continuous power supply. Two charging methods: solar panel charging/USB power line charging. 2、Low power protection, when the battery is low, the device will warn and slow down to protect itself. 3、Data storage function, after power off, the device is still the data you set before. 4、Simple installation, the product contains a complete set of accessories and can be installed in 10 minutes. 5、Wide range of application, suitable for greenhouse farming, seedling cultivation, home vegetable farm, backyard garden, etc. 6、Made of high quality material, safe, environmentally friendly and durable. Condition: 100% Brand New Item Type: Irrigation Controller Material: ABS+Silicone Color: As shown in the picture Solar Panel Size: Approx.14x13.1x1.8cm / 5.5x5.2x0.7in Irrigation Controller Size: Approx.10x6.7x5cm / 3.9x2.6x2.0in Dripping Arrow Size: Approx.10.5x5cm / 4.1x2.0in Silicone Tube Size: Approx.10m/32.8ft Lift Height: Approx.3m/9.8ft Weight: Approx.856g/30.2oz 1 x Silicone Tube 1 x Irrigation Controller 15 x Drip Arrow 15 x Three-way Connector 1 x Sinking Head 1 x USB Power Line 1 x Solar Panel 1 x Instruction Manual