Check the listing for details. RasPiBox Open Pi4 for Raspberry Pi4 Din Rail Mount Raspberry Pi Enclosure. Color: Gray, Condition: Open box. Listed at 31.00 USD. RasPiBox Open Pi4, version 1.2.2 for Raspberry Pi4 Din Rail Mount Raspberry Pi Enclosure with parts for voltage regulator already installed (5V/1.7A)Milled DIN rail enclosure, prototyping board, 1x2 block terminal for power supply, 2x 2 block terminal block for free use, 1x3 block terminal for free use, two self tapping screws, already installed. For use with Raspberry Pi 4B. Made by Zihatec Germany. Bought for project, never ended up using. Components installed: 1x voltage regulator TL2576-5 (IC1) 1x inductor 100uH/1.7A (L1) 1x Schottky diode SB260 (D4)1x overvoltage limiting diode P6KE36CA (D1)1x electrolytic capacitor 100uF/63V (C1)1x electrolytic capacitor 1000uF/16V (C2)1x 40pole female header 1x Schottky diode SB260 (D3) Ships with USPS First Class.