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} .product-description .specs-table td { padding: 9px 14px; vertical-align: middle; } .product-description .specs-table td:first-child { font-weight: 600; color: #555; width: 42%; border-right: 1px solid #eee; } .product-description .specs-table td:last-child { color: #222; } .product-description .val-highlight { color: #e07b00; font-weight: 700; } .product-description .val-green { color: #2e9e4f; font-weight: 600; } .product-description .specs-table .section-row td { background: #f0f0f0; font-weight: 700; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: #555; padding: 7px 14px; } @media (max-width: 650px) { .product-description .feature-block { grid-template-columns: 1fr; } .product-description .feature-block.reverse .feature-img, .product-description .feature-block.reverse .feature-content { order: unset; } .product-description .keyspecs-strip { flex-wrap: wrap; } .product-description .keyspec-item { min-width: 50%; border-bottom: 1px solid #ddd; } } PNI A437 is an autonomous smoke detector that operates completely independently — no wiring or cables required. The sensitive photo-electric optical sensor with intelligent circuitry detects dangerous smoke levels within seconds — from both smouldering and flaming fires. The 85 dB sound alarm and LED indicator alert you immediately. The included 9 V alkaline battery provides up to 5 years of operation, and installation takes just a few minutes without any tools. 85dB Alarm level 5a. Battery life 9V Power LED Light indicator ABS+PC Fire-resistant housing Optical sensor · fast detection · intelligent processor Sensitive and Intelligent Detection Everyday fires often start through carelessness — a forgotten cigarette, faulty wiring or improper use of a cooker. PNI A437 responds quickly to smoke from smouldering or flaming fires. The modern sensor with intelligent circuitry accurately detects dangerous smoke levels within seconds, minimising the risk of false alarms. Photo-electric optical sensor — fast smoke detection Intelligent microprocessor — precise detection without false alarms Sensitivity 0.113–0.130 dBm — compliant with standards Responds to smoke from both smouldering and flaming fires 9 V battery · 5 years · autonomous · 20 µA standby Long Battery Life Thanks to extremely low power consumption (only 20 µA in standby mode), the included 9 V alkaline battery lasts up to 5 years. The sensor operates autonomously around the clock without constant supervision — continuously monitoring the air so you can sleep soundly. No other devices need to be connected. 9 V alkaline battery included — ready to use immediately Battery life up to 5 years — rarely needs replacing 20 µA standby consumption — extremely economical Continuous 24/7 monitoring without effort ABS+PC · dust-proof · easy installation Certified Quality and Easy Installation PNI A437 housing is made from fire-resistant ABS+PC plastic that withstands high temperatures. The dust-proof design maintains sensor sensitivity and reduces false alarms. Installation is simple — no wiring needed. Mount using the included screws and bracket or use double-sided tape for effortless ceiling installation. Fire-resistant ABS+PC housing — withstands high temperatures Dust-proof — reduces false alarms Installation with screws or double-sided tape — no tools needed Included: screws, mounting bracket, 9 V battery 85 dB sound alarm 5-year battery life 9 V alkaline battery included LED light indicator ABS+PC fire-resistant housing 20 µA standby consumption Technical Specifications ParameterValue General BrandPNI ModelPNI-A437 TypeSmoke detector ColorWhite Alarm & Signalling Acoustic alarmYes, 85 dB Warning lightYes, LED indicator Sensitivity0,113–0,130 dBm Power & Battery Life Power supply9 V alkaline battery Battery lifeUp to 5 years Standby consumption20 µA Alarm consumption150 mA Housing & Installation Housing materialFire-resistant ABS+PC plastic Dust-proofYes — reduces false alarms Operating temperature-26°C ~ +80°C Dimensions108 × 108 × 47 mm MountingScrews + bracket or double-sided tape In the Box Smoke detectorYes Battery9 V (included) User manualYes