2 PCS BC-3K 5-24V Industrial Sound And Light Alarm Motorcycle Sound Light Alarm Tag-Earphone Jack an average of 1 hour

an average of 1 hour in the sun per day can be charged to maintain continuous power work

Physical Environment Operate Temperature -20 to 50 Degree Celsius

Nickelplated

no need to identify the direction

Ultra-lightweight call center headset with adjustable headband

2 PCS BC-3K 5-24V Industrial Sound And Light Alarm Motorcycle Sound Light Alarm Tag-Earphone Jack an average of 1 hour1. Material: ABS, PC 2. Voltage: 5 24V universal 3. Working mode: whistle + flashing 4. Protection level: IP54 5. Volume: above 100dB 6. Power: 4KW 7. Installation method: wall mounted installation 8. High decibel transmission, clear and bright sound 9. Waterproof and dustproof design, can be used outdoors in rainy days 10. PC lampshade, ABS base, not easy to age 11. LED stroboscopic light, using high brightness LED lamp beads, low energy consumption,