ITEM NAME:4pcs DC/DC 4.5V-7V to 3.3V Power Supply Buck Module for AMS1117 D3X9 4pcs DC/DC 4.5V-7V to 3.3V Power Supply Buck Module for AMS1117 D3X9 Chip: AMS1117 Product Name: DC/DC Power Supply Buck Material: Plastic, Electronic Component Net Weight: 8g Size: 2.6 x 1.2 x 0.2cm / 1" x 0.47" x 0.078" (L*W*H) Color: As shown Double panel design, The layout is beautiful, Input and output using 2p Single Row Pin Header , convenient connection. Input: DC 4.5 V-7 V, the input voltage must be higher than the output voltage above 1V. Output: DC 3.3 V, 800 mA, load current should not exceed 800 mA. The power indicator light On the panels. Package Content: 4pcs DC/DC Power Supply Buck Module Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.