
3-Year Battery Life: 4xAA batteries minimize maintenance cycles and onsite costs.
Industrial LoRaWAN: Carrier-grade connectivity for deep penetration in large buildings.
Vandal-Proof Lock: Reinforced physical security for schools and public space safety.
USB Type-C Support: Dual-power backup ensures 24/7 permanent operation.
Professional Integration: BACS (EN 15232) compliant and BMS ready for smart buildings.
Wireless Renovation: The premier cable-free solution for old building energy efficiency.

Extreme Endurance
Maintenance-Free Operation Driven by 4xAA batteries to drastically lower long-term battery replacement overheads.
Public Security
Vandal-Proof Anti-Theft Lock Reinforced physical lock prevents unauthorized removal in public institutions.
Deep Penetration
Long-Range LoRaWAN Link Effortlessly penetrates multi-story concrete walls for seamless building coverage.
Permanent Power
USB Type-C Backup Port Allows battery-free operation in critical areas via standard USB-C input.
Smart Detection
Auto Open-Window Shutdown Intelligently senses temperature drops to prevent energy waste during ventilation.
Open Protocol
Zigbee 3.0 & LoRaWAN Compatibility Supports multiple protocols for flexible integration with third-party IoT platforms.
● Power source: Type-C or 4x1.5V alkaline AA batteries (LR6)-Battery life:1.5-year
● Temperature setting accuracy: 0.5°C
● Temperature display range: 0°C~50°C
● Setting temperature range: 5°C~30°C
● Shipping & storage temperature: -10°C~60°C
● Connection: M30x1.5mmCommunication Protocol: Standard LoRaWAN Protocol
● Operating Frequency Band: EU868MHz
● Transmission power: 16dBm(868)
● Receiver Sensitivity: -137dBm/125kHz SF=12
● Network Access/Operating Mode: OTAA/ABP Class C
● Display screen: LED
● IP class:lp21
Partnership & OEM/ODM Support
Customized OEM/ODM
Tailored firmware and branding for project tenders.
Expert Integration Support
Direct R&D access for LoRaWAN payload and API integration.
Global Warranty & Logistics
Reliable support for international energy contracts.
In large-scale deployments, labor costs far exceed battery costs. SEA889’s 4-AA battery design extends maintenance cycles to 3+ years, reducing onsite visits by 60% and lowering the Total Cost of Ownership.
Designed for public security, SEA889 features a reinforced physical lock and vandal-proof housing. It cannot be removed or adjusted without specialized tools, making it ideal for schools, dorms, and hospitals.
Contact our friendly Customer Service team for any Question,Concern, or Suggestion. We'd love to hear from you!
Headquater hotline: +86 755 61218391
Headquater email: info@saswell.com
MENA tech support hotline: +97155 6743682
MENA tech support email: support@saswell.com
