Bakeey ML-A2 433MHz Wireless Pressing Self-powered Doorbell Long Distance Waterproof Elderly Pager For Smart Home – US Plug

Description

Specification:Working voltage: AC 110-230 (V)Working temperature: -15~60 (?)Detection distance: 100 (m)Transmission frequency: 433 (MHZ)Installation method: MountedLaunch distance: 100 (m)Weight: 50 (g)Alarm mode: Ringtone
Package Includes:1 * Receiver1 * Transimitter