**Product Specifications:**
Brand: PGST
Product Name: Elderly Wireless Call Button
Features:
- Enlarged call button for easier operation by the elderly
- Wireless design for elderly emergency calls
- Neck-hanging design for easy carrying
- One-button operation
- 30mm large speaker for loud and clear sound
- Dual-use with hanging rope or wall mount
- Ergonomic design for comfortable use by the elderly
- 30mm large metal speaker with a coverage range of 300m²
- 36 selectable ring tones
- 5-level volume adjustment up to 80dB
- Dual protection for safety
Dimensions: 79.9mm x 50mm x 79.9mm
Working Voltage: AC110-240V
Wireless Frequency: 433MHz
Encoding Method: 1527/330KQ
Operating Humidity: 40%-80%Rh
Operating Temperature: -20°C to 55°C
**Additional Information:**
Energy Recipes
Allure of Women
**Note:** The product specifications are based on the information provided.
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