20X TTLOCK App Remote Electronic Lock Module Board Lock Module Relay Output Door Access Control System

Note: 1. Below the minimum operating voltage, it may cause the module to malfunctionExceeding the maximum operating voltage may cause module damage 2. Generally, modules are in a sleep state and only switch to other states when unlocking with the app 3. Extreme environments can cause modules to malfunction Note:The factory batches are different. If there is a slight difference in appearance, it does not affect the use. Colour:Green Material:Plastic Size:38x27mm (excluding lines) Package Contents: 20 x Electronic Lock Module Only the above package content, other products are not included. Note: Light reflection 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 +/- 1-3cm.