Single Button Waterproof Transmitter – 221121P / 221122P

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The Single Button Waterproof Transmitter by Inovonics is a small wireless transmitter that can be used as a resident pendant and is capable of sending an alarm message to the ONE Platform™ systems.

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Existing Customers


  • Small, light and waterproof
  • Bright lights signal alarm activation, alarm clearance and low battery conditions
  • Vibration feature confirms alarm activation
  • Alarm clearance with magnetic card or button press pattern
  • Enhanced Wearability: Available with a Neck Lanyard or Wristband. Optional belt loop kit is available


  • Dimensions: 1.6″ x 1.6″ x 0.5″ (4 x 4 x 1.25 cm).
  • Weight: 0.6 oz (17 g) with battery inserted
  • Operating temperature: 32 to 140°F (0 to 60°C)
  • Operating environment: Waterproof to IP67 standard
  • Estimated battery life: One year (assuming five alarm activations per day and alarm clearance within ten minutes of alarm activation)
  • Battery type: Panasonic CR2032
  • Power requirement: 3VDC, 14.5μA
  • Storage requirement: Ambient conditions of 69 to 73°F (20.5 to 22.8°C)


Part Number: 221121P
Model Number: EN12215-60N

Part Number: 221122P
Model Number: EN12215-60W