

🔑 Unlock elite security with zero compromise.
The YARONGTECH DS1990A-F5 iButton is a rugged, read-only electronic key featuring a corrosion-resistant black handle, high-temperature resistant resin, and a unique 64-bit serial number. Designed for rapid identification in under 5ms, it operates without batteries and fits seamlessly into security patrol, access control, and electronic lock systems worldwide.
| Operation Mode | automatic |
| Operating Voltage | 3 Volts |
| Contact Type | Normally Open |
| Connector Type | Integrated |
| Brand | YARONGTECH |
| Terminal | Through Hole |
| Circuit Type | 1-way |
| Actuator Type | Push Button |
| Contact Material | Brass |
| International Protection Rating | IP00 |
| Number of Positions | 10 |
| Control Method | Touch |
| Connectivity Protocol | Wi-Fi |
| Color | Black |
| Unit Count | 10.0 Count |
| Number of Items | 10 |
| Manufacturer | YARONG |
| UPC | 725350789732 |
| Part Number | DS1990A |
| Item Weight | 1.28 ounces |
| Package Dimensions | 4.02 x 2.01 x 0.04 inches |
| Item model number | Ibutton |
| Is Discontinued By Manufacturer | No |
| Size | 16 x 56mm |
| Shape | Ibutton |
| Item Package Quantity | 1 |
| Special Features | Adjustable Feet |
| Included Components | Ibutton |
| Batteries Included? | No |
| Batteries Required? | No |
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