Electronic Whistle Shoulder Light
Appearance color: transparent (red and blue LED lamp beads)
Overall size: 86MM*36MM*30MM
Shell material: PC (anti-ultraviolet, heat-resistant, flame-retardant, strong resistance)
Main unit weight: 54g
Working temperature: -20°——+60°
Overall size: 86MM*36MM*30MM
Shell material: PC (anti-ultraviolet, heat-resistant, flame-retardant, strong resistance)
Main unit weight: 54g
Working temperature: -20°——+60°
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Product Introduction
Product function
1. Press once, left side flashes: red light flashes, blue light flashes, red and blue flashes together
2. Press once, right side flashes: red light flashes, blue light flashes, red and blue flashes together
3. Press once, diagonal flashes: diagonal flashes, another diagonal flashes, all flashes
4. Press once, light on: lighting light on
5. Press once, turn off light
6. Long press, electronic whistle starts working

Technical parameters
| Model | Gravity-Sensing Whistle Shoulder Light |
| Appearance Color | Transparent (Red and Blue LED Lamp Beads) |
| Overall Size | 86mm × 36mm × 30mm |
| Shell Material | PC (Anti-Ultraviolet, Heat-Resistant, Flame-Retardant, High Strength) |
| Main Unit Weight | 54g |
| Working Temperature | -20°C to +60°C |
| Working Mode | Red and Blue Diagonal Flash, Front and Side Alternate Flash, Lighting |
| Flashing Frequency | 6Hz |
| Flashing Light Intensity | 1000mcd |
| Power Supply | Built-in Polymer Lithium Battery |
| Battery Parameters | 3.7-4.2V / 520mAh |
| Working Time | ≥15 Hours |
| Charging Time | 2-2.5 Hours |
| Charging Interface | Android Universal USB Interface |
| Protection Level | IP65 |
| Fixed Mode | 360-Degree Rotatable High-Strength Plastic Rotating Back Clip |
| Night Vision Distance | LED Flashing Light Visible up to 500m |
| Power Protection | Overvoltage, Overcurrent, Overcharge, Overdischarge, Short Circuit, Ultra-High Temperature Charging & Discharging Integrated Digital Circuit Protection |
| Charging Instructions | Use the Matching Charger for Charging. The Charger Features a Red/Blue Dual-Color LED Indicator: Red While Charging and Blue When Fully Charged. |
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