Specs Alarm Pro Base Station Power: Adaptor included 100-240V AC ~50-60Hz. Output : 12V DC – 3A (max) Connectivity: Ethernet, Bluetooth for set-up, Z-wave, WiFi, WiFi-6 capable, LTE, 902- 928 MHz Radio Battery: Internal Rechargeable Lithium Ion Backup Battery Battery Life: Internal battery backup lasts up to 24 hours in Low Power Mode In Low Power Mode, only some security features, including Alarm Cellular Backup, are available. Battery life is dependent on device settings, usage, environment, and other factors. Table top or wall mounted Coverage: 1500 Sq Ft coverage (add extra eero 6 extenders for additional coverage) Radio Frequency: Dual-band, 2.4 GHz / 5 GHz radio. Supports at least 75 connected devices. Keypad Power: AC Adapter, Internal rechargeable Lithium Ion battery included, battery life depends on usage and power save settings. Connectivity: Z-Wave range is up to 250 feet from the Base Station, depending on environmental factors. Wall Mount with Quick-Release Bracket or Place It on Any Flat Surface Contact Sensors Power: 2 CR2032 Coin cell batteries Battery Life: Uses two CR2032 batteries, included, which may last up to 3 years depending on usage. Cold temperatures may drain battery life faster. Connectivity: Z-Wave (250-foot range to Base Station open air, line of sight) Indoor Use Mounts to doors and windows Maximum Distance Between Magnet and Sensor: 1 inch. Leave 1/2″ space on non-magnet side to access battery compartment. Motion Detector Power: 2 AA batteries, included, battery life will depend on usage. Cold temperatures may drain battery life faster. Connectivity: Z-Wave (250-foot range to Base Station open air, line of sight) Indoor Use Mounts to Room Corners or Flat Walls Ranger Extender Power: 100-120V 60Hz Connectivity: Z-Wave range is up to 250 feet from the Base Station, and 250 feet between the Range Extender and the security device, depending on environmental factors. Battery life: Internal rechargeable Lithium Ion battery backup which lasts up to 24 hours Indoor Use Plugs into standard power outlets Dimensions Alarm Pro Base Station: 6.75 x 6.75 x 2.72 Keypad: 4.40 x 4.27 x 0.76 Contact Sensors: 1.56 x 2.09 x 0.55 Motion Detector: 2.6 2.6 x 1.53 Ranger Extender: 1.86 x 3.19 x 1.66 (including plug in pin height)