New backup battery switching module power failure automatic switching battery powered 12V 150W Ship to worldwide via post air mail with tracking number. Features:This controller is used for emergency battery switching; when there is power on 12V power adapter, it will connect to adapter as power supply(green light on); otherwise, it will automatically switch to battery as power supply(red light on).Designed with copper terminals for convenient wire connection.Effective control current is up to 12A, power is up to 150W at 12V.Widely used for controlling power supply of incubator, laptop, network to achieve uninterrupted power supply.Well packed in antistatic bag to prevent module from dust or static damage.Specifications:Control Voltage: DC12VControl Current: 12ASupport Power: 150WSize: 54*26.6mm/2.12*1.04"Package Includes:1 x Switch Controller SHIPPING1. Ship to worldwide. If send by post air mail usually to Europe within 15 days after sent out. 2. Orders processed within 24-48 hours of payment verification.3. The images shown are the actual item and photographed by myself. 4. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.5. If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction! PAYMENTS1. Payment must be made within 4 days of product closing. (Non-payment may result in a UPI (Unpaid Item) being put on your account. .