Hardwired Interconnected Photoelectric Smoke Alarm with Dualink, Battery Backup and Relay Contacts Lawn Care Includes interior trim Kash lever Includes interior trim Kash lever PowerPulse Massage technology Dual hand shower with 5 ft hose Installs in minutes With this Waterpik 2 in 1 shower system you can choose either power or luxury Select from 6 different spray settings on the large fixed mount shower head and from 6 unique settings on the hand held shower Chrome finish 2 DUALINK feature: tandem with all Gentex tandem capable alarms Residential Voltage (volts) 120 Fixed or portable Fixed Connector Contact Type 4 Wire Alarm Type Smoke Alarm Detector Features Battery Back Up