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Door bell NO NEED BATTERY!Smart Self-Charge Home Doorbell/Portable Wireless Remote Control Doorbell/No Need Install Linbell G2 Wireless Self-powered Doorbell Waterproof with Receivers Door Bell 38 Chimes 200m Range for Home Office BL58

Through the weak energy collection technology， eliminating the need for the doorbell of the battery， through the finger press and transmit wireless signal to the receiver， environmental protection.
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Specification:
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Brand Name: Linbell
Doorbell Type: Wireless
Color: White
Receiver: AC 220V
Transmitter:?? No battery， Self-powered
Sound: 38 melodies
Remote control distance:? outdoor 100m， indoor 30m
Radio frequency:? 433.92MHz
Volume 4 Level with MAX 105dB
Waterproof:? IPX7
Size: Diameter 67mm， Thickness 20mm
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Package includes:
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1 x Receiver
1 x Transmitter
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Details pictures:

Features
1. Creatived Technology， No Need Battery for Both Transmitter and Receiver
2. Wireless doorbell， wireless distance is up to 100 m in open area.
3. Transmitter service life is up to 200000 times pressing.
4. 32 selectable ringtones.
5. LED indicator on both transmitter and receiver
6. Special design， nice appearance，matched adapter
Product Specification
1.Brand Type:Linbell G2 Automatic Generation Wireless Smart Doorbell
2.Frequency of Transmitter:RF433MHZ
3.Transmission distance:100M(Outdoor)/300M(Indoor)
4.Press Strength:350G
5.Installation Way:3M double sided glue
6.Input Voltage of Receiver:AC110-220v
7.Standby power consumption:0.25W
8.Maximum volume:105DB
9.Plug:US standard/Chinese Standard
10.Offer matched Adapter:EU/UK adapter if you need
Package
1. Doorbell Transmitter (button) x 1 (with 3M adhesive pad on bottom)
2. Doorbell Receiver x 1
3. Additional 3M double-sided adhesive pad x 1
4. Screw x 2 (with hole fillers)
5. User manual x 1
Product description

linptech 1 Emitter+1 Receivers Wireless DoorBell，Door Bell，25 Melodies Bell，Since the power， no need for batteries，BL39

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https://www.qoo10.sg/item/2016-LUXURY-ULTRA-LONG-RANGE-WIRELESS-DOOR-BELL-DOORBELL-36-CHIMES/442304567

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