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Description
SMATRUL M688 Self-powered Wireless Doorbell 1 Transmitter 1 Receiver - EU Plug - Black
4 Modes: Sound only, flash only, sound & flash, sound & light on.Light on mode can turn into a nightlight
Memory function: After the power is turned off, remember the music set before. No need to set music again
Self-powered doorbell that requires no battery,Don't worry if the battery has power, so Don't miss important visitors
Gorgeous lights, loud ringtones. Especially suitable for the elderly, sluts.
Clear sound, no noise, loud sound
4 files volume 0-100DB Ringtones: 58 pcs Rated voltage: AC 110~ 240V, 50-60Hz
Specification:
Receiving distance: 150m (in open area)
Volume: 4 files 0-100DB, ringtones: 58pcs
Rated voltage: AC 110~ 240V ,50-60Hz
Working frequency: 433MHz
Receiver standby power:< 0.5W
Receiver size: 86X78mm
Button size: 80x41mm