Check the listing for details. Door Alarm Time Delay 9 -12 Vdc Delay time before alarm magnetic switch and Clip. Condition: New. Listed at 32.58 USD. Power supply : 9-12VDC. Consumption : 1.9uA (standby) @ 9VDC, 60mA (working) @ 9VDC. Duration of delay time before alarm : 10-60 seconds. Included the magnetic switch in this set. PCB dimensions : 2.81x1.84 in. / Come with 9Vdc Battery Clip Free! This circuit is used to alarm when you leave the door or window open everywhere such as the air-conditioned room, car door, etc. Technical data Power supply : 9-12VDC.Consumption : 1.9μA (standby) @ 9VDC, 60mA (working) @ 9VDC.Duration of delay time before alarm : 10-160 seconds.Included the magnetic switch in this set.PCB dimensions : 2.81x1.84 in. CONNECTING POINTS 9VDC point to be connected to power supply.S1 point to be connected to the magnetic switch.LED is shown the status of circuit operation.Jumper JP1 is used for selecting the mode of circuit operation. The circuit will operate with time delay when JP1 is connected. And if JP1 is disconnected, it will operate immediately.VR1 is used to set the delay time.VR2 is used to adjust the high tone of buzzer sound.VR3 is used to adjust the low tone of buzzer sound. Payment Method We only accept PayPal payment. A non-payment dispute will be opened if full payment is not received after 5 days of auction. Shipping DetailsItem will be shipped within 1 business day when the full payment is received. In general the shipping time will be approx 14 to 21 business days. Please message by using eBay system to us if you don't receive the item after 3 weeks. If among the festival period, the shipping time will be even delayed some more days. In general, we will ship the parcel by the economy airmail of Thailand POST. If you want the expedited shipping by EMS or DHL or others, please message by using eBay system to us before bidding the item. We only ship to the approved eBay or PayPal address. Please make sure the shipping address is correct and available. When your transaction is among May Day, National Day, Chinese New Year and Christmas, the handling time would be delayed some days. Hope you can understand.Sales Policy Guarantee and Return Policy We provide 30 days guarantee. We can refund the money to you ( insurance and shipping cost won't be refunded) or resend the new item to you if the item can’t work normally within 30 days. If you are not satisfied with the item which you receive but not because of the quality problem, please return it to us, we can refund the money to you (insurance and shipping cost won't be refunded) or resend the new item to you, but you should pay the shipping fee by yourself to send it back to us. Please notice that you should return the item back within 7 days after receiving the item. Otherwise we won't accept the item back.Other service term In general we will reply your message by using eBay system within 24 - 48 hours after receiving your message. If you don't receive our reply in time, please kindly resend a message again. If you have any question or problem about your bidding item, please message by using eBay system to us first, but not opening any case at once. We promise to provide the best resolution, and won't make you suffer any loss.Please don't buy or bid the item if you don't agree with our policy. We appreciate your understanding and cooperation, and wish you to enjoy your shopping.