📌 Product Description The dual-key wireless emergency alarm button is designed for rapid SOS signaling in emergency situations. Featuring independent Alarm & Cancel buttons, it prevents false triggers and ensures fast response for fire, medical, and safety events. Available in standard 433MHz wireless and enhanced long-range version, suitable for home, commercial and industrial security projects. ⭐ Key Features ✅ Dual independent keys: Alarm + Cancel ✅ 433MHz wireless signal transmission ✅ Long-range enhanced version optional ✅ Protective cover to prevent accidental touch ✅ LED indicators: Alarm / Self-Test / Cancel ✅ Easy wall-mount installation ✅ Durable ABS housing ✅ Low-power consumption, 2×AA battery ✅ Ideal for emergency response scenarios ⚙️ Specifications Item Details Model NK-HA801 Function Manual Emergency Alarm Control Keys Alarm / Cancel Wireless Frequency 433MHz Power Supply 2×AA batteries Standby Time Up to ~2 years Dimensions 85 × 85 × 31 mm Installation Wall-mount Material ABS + Acrylic cover Working Mode One-press alarm Indicator Lights Alarm / Self-Test / Cancel Cover Design Anti-false-trigger safety shield Optional Version Long-distance 433 model ✅ Available SKUs SKU Description A Standard Wireless 433 Dual-Key Alarm Button B Long-Range Wireless 433 Dual-Key Alarm Button 🔔 How It Works Open protective cover Press the Alarm button → sends emergency signal Press Cancel button to clear alarm 🏠 Recommended Applications Elderly / medical emergency call Disabled assistance stations Fire safety manual alarm Hotel / mall security School / office / factory Nursing homes Public restrooms Kitchen emergency 📦 Package Includes 1 × Dual-Key Wireless Alarm Button 1 × Wall-mount base 1 × User Manual Screws optional ✅ EN Highlights for listing bullets Two-button independent control Alarm + Cancel 433MHz wireless stable transmission Up to 400m long-range option ABS housing + clear cover prevents false alarm LED status indication Easy install, battery powered Ideal for fire/medical/elderly emergency call Suitable for home, commercial, industrial projects