I. Core Selling Points

1. Innovative Split-Type Design: Combines a keypad-type metering main unit with an independent Customer Interface Unit (CIU), enabling flexible installation and convenient operation for users.
2. Strong Wireless Communication Capability: Supports LoRa RF wireless communication with a distance of 300–400m; integrates with Data Concentrator Unit (DCU) to realize advanced remote management functions.
3. Reliable Protection & Durability: Features IP65 dust and water resistance (suitable for open locations), flame-retardant casing, and die-cast aluminum body, paired with anti-magnetic tampering technology for stable performance in complex environments.
4. Long-Lasting Power Supply & Easy Maintenance: Battery lifespan exceeds 5 years; independent battery compartment allows for easy replacement; low-battery alert and auto-valve lock (with data backup) ensure operational safety.
5. High-Precision Metering & Compliance: Equipped with international high-end metering chips and double reed switch flow sensing, with measurement errors controlled between ±1.5% and ±3%; complies with STS (IEC 62055) and OIML R137-1&2 standards.
6. Comprehensive Smart Functions: Supports multi-tariff (up to 3 tiered pricing), emergency overdraft, recharge limitation, 10-year consumption data logging, and real-time balance/consumption queries, meeting refined management needs.
7. Flexible Recharge Channels: Compatible with STS-certified 20-digit token recharge, supporting on-site recharge, mobile top-up via third-party platforms (e.g., M-PESA, Alipay), and door-to-door recharge via mobile vending units.
8. Wide Application Scope: Available in G1.6/G2.5/G4 models, suitable for natural gas metering in residential communities, commercial spaces, and industrial production sites, especially ideal for commercial and industrial accurate billing
9. Features   
10. The StronPay vending system can be adapted to various meter types (including electric meters, water meters and gas meters). The Microsoft SQL Server backend database management tool safeguards data security. Operation security is guaranteed by account permission management. API Supporting APIs are available to facilitate users in expanding functions and meeting personalized needs of different business scenarios