620 MAX

Dimensions: 415 mm (L) × 80 mm (W) × 60 mm (H);

Power Supply: 2 × AA batteries (1.5V alkaline or 1.2V rechargeable);

Operating Temperature: +10°C ~ +65°C;

Humidity: 0–95%;

Alarm Signal:

• Sound Mode: Buzzer, red LED, and metal indicator LED;
• Vibration Mode: Vibration, red LED, and metal indicator LED.

Power Consumption: Max 270 mW;

Working Frequency: 22 KHz;

Standby Current: <5 mA;

Working Voltage: 2.5–9 V.