Product informaion : Name Electronic LED Display Rain Sensor Irrigation Water Timer Timer Type: Ac Pro Material: ABS Plastic Color: Green Display: LED Hose Tap Connection 1/2" to 3/4" Internal thread Working pressure Minimum 25psi,Maximum 100psi Battery type 2*AA 1.5V (not include) Working temperature : 0-40 Package include: 2 types for you choose Type 1 : 1Pc x Water Timer Or Type 2 : 1Pc x Water Timer 1Pc x 4 ways splitter Precautions: 1. The product has rain sensor, the sensor os placed on the top groove. If groove is filled with water, system will set rain warning alarm and stop irrigate until the alarm is reset. To prevent the mis-alarm, please do not spill the water in to the groove. 2. System will enter the low power consumption mode atter stopping operation for 20s. 3.The dry battery has approximately 6 month life span. lo prevent the unfunctional situation due to the low battery power, please change the battery periodically. When the battery power is low the screen will flash to indicate the low power alarm and will not process any irrigation program. 4. After open the transparent cap and change the battery, please re-fastern the cap to prevent water damage. Company is not responsible for the damage due to the situation above (note: while changing the battery, please wait LCD screen to be off and reset alarm first). 5.Due to the different plant water consumption in different season, please reset the program every season to meet the plant water requirement. 6.Timer has permantely memory, after change the battery, the previous programs still exist. 7.Some water source has dirt in it, there is a filter in the connectors, please clean filter periodically. 8.During the timer set, manual set, and mode set, system will automatically switch to the timer mode if you stop press button for 18s. 9.When irrigation starts, other operation is disabled except the manul off switch. 10.Timer only control the flow of water, it will not increase the water pressure. 11.If the outdoor temperature is blew 0 celsius,the timer must be back to indoor to prevent he frozen damage. If timer is broken due to this situation,our company is not responsible for fixing. Any loss resulted from violation of above rules will not be borne by our company.