Bakeey Indoor Receiver Wireless Doorbell US Plug Ding Dong for Smart WiFi Video Doorbell Accessories

Features: 1.Fashionable Appearance Touch Design 2.Installation is simple and convenient 3.Ultra-low power design, power saving and long-lasting use 4.52 first polyphonic ringtones optional 5. 4 levels of optional volume adjustment
Specification: Type:?Wireless Doorbell US Plug Receiver ( Only Receiver ,Not Included Transmitter ) Working voltage: AC 90~250V Working frequency: 433.92 MHz +-280 KHz Power consumption: 10 mW Transmitting power: 0dbm Sensitivity: -110dbm Net weight: 92G Volume: 10-110db Size: 81*81*20mm
Package Includes: 1 * Receiver