Hanvon E-Signature Efficient and Secure Solutions
- (+8610) 8278 6617
- carol@hanwang.com.cn
- Chinese
Integrates 3.95-inch LCD display with electromagnetic handwriting technology. Enclosure-free modular design, specially engineered for embedding into machines and devices, ideal for self-service terminals, financial equipment, and counter devices.
Compact, low-cost signature embedding solution for device manufacturers
Electromagnetic resonance technology captures every stroke precisely.
Enclosure-free, specially engineered for embedding into machines.
Battery-free, cordless electromagnetic pen — pick up and write.
Quickly embed into existing business systems, reducing integration cost.
Encrypted signature data transmission, meeting financial-grade security requirements.
USB powered, plug-and-play, no extra power supply needed.
Detailed parameters with business meaning for easy technical evaluation
| Category | Parameter | Business Meaning |
|---|---|---|
| Display | 3.95-inch TFT LCD, 480×320 | Signature displayed synchronously for intuitive confirmation |
| Touch | Electromagnetic resonance, 2540 LPI, 1024 pressure levels | Original handwriting restoration, supports signature biometrics |
| Accuracy | ±0.5mm (center), ±1mm (edge) | Accurate signature positioning, reduces misoperation |
| Interface | USB | Plug-and-play, adapts to existing devices |
| Encryption | AES256 / RSA2048 | Meets financial industry data security requirements |
| OS | Windows / Linux / Android | Adapts to multiple business systems |
| Power | Under 2.5W, USB 5V | Low power consumption, no extra power supply needed |
| Dimensions | 103.47×88.78×6.95 mm | Ultra-slim design for embedded integration |
| Form Factor | Enclosure-free modular design | Specially designed for embedding into machines |
| Writing | Battery-free pen, sensor height 7mm, ±45° tilt | Zero maintenance, natural writing |
| Development | Free SDK, supports C++ / .NET / Java | Quick embedding into third-party apps |
Suitable for self-service terminals, financial equipment, counter devices, and other embedded signature scenarios
Pain point: Self-service devices need customer signature confirmation but lack a
signature module.
Solution: ESP400M's enclosure-free design can be embedded into
self-service terminals to quickly add signature capability.
Pain point: Bank counter devices and card issuers need integrated electronic
signatures.
Solution: Ultra-slim modular design, easy to integrate into various
financial equipment, reducing development cost.
Pain point: Activation and transfer services require customer
signatures.
Solution: Embedded signature module gives service hall devices
electronic signature capability.
Pain point: Social security and housing fund self-service devices need signature
confirmation.
Solution: ESP400M supports domestic OS, adapts to government
self-service terminals.
Pain point: Registration and payment self-service devices need patient
signatures.
Solution: Embedded design, easy to integrate into healthcare
self-service terminals.
Pain point: Membership registration and payment confirmation require signatures.
Solution:
Modular signature module gives POS devices electronic signature capability.
What you may want to know about ESP400M
ESP400M has a 3.95-inch screen, smaller and thinner, ideal for devices with extremely limited space; ESP500M has a 5.0-inch screen with a larger display area. Both are enclosure-free modular designs.
No. ESP400M uses a battery-free, cordless electromagnetic pen. No battery, no charging, zero maintenance.
Supports Windows / Linux / Android.
Yes. We provide free SDK and technical support, and can customize integration solutions based on customer device form factors.
Yes, it is provided free of charge. The SDK includes lib.dll, OCX, WebSocket, and other interfaces, supporting C++, .NET, and Java developers.
Get the complete ESP400M datasheet, SDK documentation, or request a sample. Our team will provide professional support.