Feature: 1. [Stable in Use] Irrigation Bluetooth WiFi gateway resolved an issue that shortened the connection distance to the controller due to the weak ability of the Bluetooth signal to penetrate wall. 2. [Receive Better Signal] Can ensure that the gateway works outdoors, and can also solve the characteristics of weak Bluetooth signals through the wall, so that the controller can receive better signals. 3. [How to Use] After connecting to the power supply, press and hold for more than 5 seconds until the signal light flashes, and the device enters the distribution WiFi mode. 4. [With USB Cable] Irrigation Bluetooth Gateway comes with USB cable, connect the USB cable and connect the gateway to the phone, it is easier to operate and use. 5. [Widely Application] Automatic control controller for courtyards, balconies, family green wall, three dimensional greening micro sprays, droppers, and infiltration irrigation. Specification: Item Type: Irrigation Gateway Material: ABS Size: Approx. 6x6x1.4cm / 2.4x2.4x0.6in Weight: Approx. 83g / 2.9oz Power Supply: 5V Application: Automatic control controller for courtyards, balconies, family green wall, three dimensional greening micro sprays, droppers, and infiltration irrigation. Package List: 1 x USB Cable1 x Irrigation Gateway Note: Please allow some errors due to manual measurement.