The Kidde P4010DCS-W combines Wire-Free RF interconnect with a 10-year sealed lithium battery for a completely wire-free installation experience. When one alarm detects smoke, all paired alarms sound simultaneously via radio frequency — no hardwiring between units needed. Voice notifications announce end-of-life replacement reminders and Hush mode activation. A flashing LED status ring shows the current alarm state at a glance. A bug screen protects the sensor chamber from insect intrusion.
How does Wire-Free RF interconnect work on the P4010DCS-W?
The P4010DCS-W uses supervised radio frequency (RF) signals to communicate with other P4010-series Wire-Free alarms. Supervised means the alarms periodically check in with each other to verify the network is intact. When one detects smoke, all paired alarms trigger simultaneously without any hardwiring.
Does the P4010DCS-W require any wiring?
No. The P4010DCS-W is completely wire-free. The 10-year sealed battery provides power and the RF technology handles interconnect communication. No electrical wiring or in-wall interconnect cables are required.
What do the voice notifications say on the P4010DCS-W?
The P4010DCS-W announces voice alerts for operational events such as Replace alarm at end of battery life, and Hush mode activated when the Hush function is triggered. These voice notifications help occupants understand the alarm status.
How many alarms can be networked with the P4010DCS-W?
Up to 24 compatible Kidde Wire-Free devices can be interconnected in a single network, providing whole-home coverage across multiple floors and rooms without running interconnect wiring.
What does the LED status ring indicate?
The flashing LED status ring on the P4010DCS-W has multiple flash patterns to indicate different states: standby, active alarm, Hush mode, and low battery or end-of-life status. This allows quick visual status checks without triggering an alarm test.
# Kidde Wire-Free Interconnected Battery Powered Smoke Alarm **Model:** `P4010DCS-W` **Brand:** Kidde **Category:** Smoke Alarm Wire Free > The Kidde P4010DCS-W combines Wire-Free RF interconnect with a 10-year sealed lithium battery for a completely wire-free installation experience. When one alarm detects smoke, all paired alarms sound simultaneously via radio frequency — no hardwiring between units needed. Voice notifications announce end-of-life replacement reminders and Hush mode activation. A flashing LED status ring shows the current alarm state at a glance. A bug screen protects the sensor chamber from insect intrusion. ## Specifications | Attribute | Value | |---|---| | Product Type | Smoke Alarm | | Alarm Type | smoke | | Sensor Smoke | photoelectric | | Power Source | battery-10yr-sealed | | Battery Backup | No | | Battery Type | 10-year sealed lithium | | Battery Replaceable | No | | Battery Life Years | 10 | | Voice Alerts | Yes | | Smart Wifi | No | | App Connected | No | | Ring Ecosystem | No | | Interconnect | Yes | | Interconnect Type | wireless-rf | | Wire Free Rf | Yes | | Max Interconnect Devices | 24 | | Self Testing | No | | Hush Feature | Yes | | Smart Hush | No | | Strobe | No | | Egress Light | No | | Alarm Db | 85 | | Ul Smoke | UL 217 | | Warranty Years | 10 | ## What's Included - alarm unit (battery pre-installed) - mounting hardware - quick install guide Source: https://www.jaspecs.com/kidde/smoke-alarm-wire-free/p4010dcs-w-kidde-wire-free-battery-smoke-alarm/