Honeywell BW BWC4-Y-A multi-gas detector, yellow housing, H2S, CO, LEL, O2. The BW Technologies Clip4 multi-gas detector runs for two years without requiring charging, maintenance, service, re-calibration, or sensor replacement.

Honeywell BW™ Clip4 four-gas detector. Wearable, easy multi-gas detection that’s always on. No charging, no battery replacement, no hassle. Simpler, low cost of ownership guaranteed by the Honeywell commitment to quality, and backed by a full ecosystem of supporting technologies. When you clip on the Honeywell BW™ Clip4 you know – it’s on.
Always On: 2-Year Continuous Runtime.
Once activated, you can rest assured that the Honeywell BW™ Clip4 is always on. The Honeywell BW™ Clip4 is easy to wear and use. Lower your maintenance costs with two years of continuous runtime without charging and no battery or sensor replacements. Simply turn your new detector on and then after two years replace it for a new one.

Features & Benefits:
• 2 year continuous runtime. It's always on
• Simple one-button operation
• Low cost of ownership.

Quick Specs:
• H2S, CO, LEL, O2
• No hassle. No charging. No sensor/battery replacements
• IntelliDoX compatible